Home / 756,863.32-1,044,470.28-417,332.40

Finding the Fourth Proportional to 756,863.32, 1,044,470.28 and 417,332.40

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Solution

The fourth proportional to 756,863.32, 1,044,470.28 and 417,332.40 is: 575,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,863.32 : 1,044,470.28 = 417,332.40 : x
  2. Step 2: Convert to fraction form
    756,863.32/1,044,470.28 = 417,332.40/x
  3. Step 3: Cross multiply
    756,863.32x = 1,044,470.28 × 417,332.40
  4. Step 4: Simplify right side
    756,863.32x = 435,891,288,681.07
  5. Step 5: Solve for x
    x = 435,891,288,681.07/756,863.32
  6. Step 6: Final answer
    x = 575,918.10

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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.