Home / 752,567.91-1,038,742.83-465,925.11

Finding the Fourth Proportional to 752,567.91, 1,038,742.83 and 465,925.11

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Solution

The fourth proportional to 752,567.91, 1,038,742.83 and 465,925.11 is: 643,099.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,567.91 : 1,038,742.83 = 465,925.11 : x
  2. Step 2: Convert to fraction form
    752,567.91/1,038,742.83 = 465,925.11/x
  3. Step 3: Cross multiply
    752,567.91x = 1,038,742.83 × 465,925.11
  4. Step 4: Simplify right side
    752,567.91x = 483,976,367,329.46
  5. Step 5: Solve for x
    x = 483,976,367,329.46/752,567.91
  6. Step 6: Final answer
    x = 643,099.93

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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.