Home / 849,875.40-1,274,813.10-584,454.60

Finding the Fourth Proportional to 849,875.40, 1,274,813.10 and 584,454.60

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Solution

The fourth proportional to 849,875.40, 1,274,813.10 and 584,454.60 is: 876,681.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,875.40 : 1,274,813.10 = 584,454.60 : x
  2. Step 2: Convert to fraction form
    849,875.40/1,274,813.10 = 584,454.60/x
  3. Step 3: Cross multiply
    849,875.40x = 1,274,813.10 × 584,454.60
  4. Step 4: Simplify right side
    849,875.40x = 745,070,380,435.26
  5. Step 5: Solve for x
    x = 745,070,380,435.26/849,875.40
  6. Step 6: Final answer
    x = 876,681.90

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Double scale
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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.