Home / 756,812.88-1,044,397.53-417,281.40

Finding the Fourth Proportional to 756,812.88, 1,044,397.53 and 417,281.40

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Solution

The fourth proportional to 756,812.88, 1,044,397.53 and 417,281.40 is: 575,845.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,812.88 : 1,044,397.53 = 417,281.40 : x
  2. Step 2: Convert to fraction form
    756,812.88/1,044,397.53 = 417,281.40/x
  3. Step 3: Cross multiply
    756,812.88x = 1,044,397.53 × 417,281.40
  4. Step 4: Simplify right side
    756,812.88x = 435,807,663,474.94
  5. Step 5: Solve for x
    x = 435,807,663,474.94/756,812.88
  6. Step 6: Final answer
    x = 575,845.99

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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.