Home / 756,605.28-1,044,122.56-417,085.76

Finding the Fourth Proportional to 756,605.28, 1,044,122.56 and 417,085.76

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Solution

The fourth proportional to 756,605.28, 1,044,122.56 and 417,085.76 is: 575,582.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,605.28 : 1,044,122.56 = 417,085.76 : x
  2. Step 2: Convert to fraction form
    756,605.28/1,044,122.56 = 417,085.76/x
  3. Step 3: Cross multiply
    756,605.28x = 1,044,122.56 × 417,085.76
  4. Step 4: Simplify right side
    756,605.28x = 435,488,651,470.75
  5. Step 5: Solve for x
    x = 435,488,651,470.75/756,605.28
  6. Step 6: Final answer
    x = 575,582.36

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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.