Home / 782,427.30-1,173,640.95-605,280.30

Finding the Fourth Proportional to 782,427.30, 1,173,640.95 and 605,280.30

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Solution

The fourth proportional to 782,427.30, 1,173,640.95 and 605,280.30 is: 907,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,427.30 : 1,173,640.95 = 605,280.30 : x
  2. Step 2: Convert to fraction form
    782,427.30/1,173,640.95 = 605,280.30/x
  3. Step 3: Cross multiply
    782,427.30x = 1,173,640.95 × 605,280.30
  4. Step 4: Simplify right side
    782,427.30x = 710,381,746,308.29
  5. Step 5: Solve for x
    x = 710,381,746,308.29/782,427.30
  6. Step 6: Final answer
    x = 907,920.45

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Half scale
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Double scale
Find fourth proportional to 782,428.30, 1,173,642.45 and 605,281.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.