Home / 801,948.61-1,106,689.06-439,386.20

Finding the Fourth Proportional to 801,948.61, 1,106,689.06 and 439,386.20

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Solution

The fourth proportional to 801,948.61, 1,106,689.06 and 439,386.20 is: 606,352.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,948.61 : 1,106,689.06 = 439,386.20 : x
  2. Step 2: Convert to fraction form
    801,948.61/1,106,689.06 = 439,386.20/x
  3. Step 3: Cross multiply
    801,948.61x = 1,106,689.06 × 439,386.20
  4. Step 4: Simplify right side
    801,948.61x = 486,263,900,654.97
  5. Step 5: Solve for x
    x = 486,263,900,654.97/801,948.61
  6. Step 6: Final answer
    x = 606,352.94

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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.