Home / 779,258.97-1,075,366.85-435,100.23

Finding the Fourth Proportional to 779,258.97, 1,075,366.85 and 435,100.23

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Solution

The fourth proportional to 779,258.97, 1,075,366.85 and 435,100.23 is: 600,432.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,258.97 : 1,075,366.85 = 435,100.23 : x
  2. Step 2: Convert to fraction form
    779,258.97/1,075,366.85 = 435,100.23/x
  3. Step 3: Cross multiply
    779,258.97x = 1,075,366.85 × 435,100.23
  4. Step 4: Simplify right side
    779,258.97x = 467,892,361,593.87
  5. Step 5: Solve for x
    x = 467,892,361,593.87/779,258.97
  6. Step 6: Final answer
    x = 600,432.44

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.