Home / 910,677.66-1,256,882.85-528,925.89

Finding the Fourth Proportional to 910,677.66, 1,256,882.85 and 528,925.89

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Solution

The fourth proportional to 910,677.66, 1,256,882.85 and 528,925.89 is: 730,003.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,677.66 : 1,256,882.85 = 528,925.89 : x
  2. Step 2: Convert to fraction form
    910,677.66/1,256,882.85 = 528,925.89/x
  3. Step 3: Cross multiply
    910,677.66x = 1,256,882.85 × 528,925.89
  4. Step 4: Simplify right side
    910,677.66x = 664,797,880,061.99
  5. Step 5: Solve for x
    x = 664,797,880,061.99/910,677.66
  6. Step 6: Final answer
    x = 730,003.50

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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.