Home / 695,547.60-1,043,321.40-538,083.60

Finding the Fourth Proportional to 695,547.60, 1,043,321.40 and 538,083.60

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Solution

The fourth proportional to 695,547.60, 1,043,321.40 and 538,083.60 is: 807,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,547.60 : 1,043,321.40 = 538,083.60 : x
  2. Step 2: Convert to fraction form
    695,547.60/1,043,321.40 = 538,083.60/x
  3. Step 3: Cross multiply
    695,547.60x = 1,043,321.40 × 538,083.60
  4. Step 4: Simplify right side
    695,547.60x = 561,394,134,869.04
  5. Step 5: Solve for x
    x = 561,394,134,869.04/695,547.60
  6. Step 6: Final answer
    x = 807,125.40

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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.