Home / 914,041.88-1,261,377-506,143.70

Finding the Fourth Proportional to 914,041.88, 1,261,377 and 506,143.70

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Solution

The fourth proportional to 914,041.88, 1,261,377 and 506,143.70 is: 698,477.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,041.88 : 1,261,377 = 506,143.70 : x
  2. Step 2: Convert to fraction form
    914,041.88/1,261,377 = 506,143.70/x
  3. Step 3: Cross multiply
    914,041.88x = 1,261,377 × 506,143.70
  4. Step 4: Simplify right side
    914,041.88x = 638,438,021,874.90
  5. Step 5: Solve for x
    x = 638,438,021,874.90/914,041.88
  6. Step 6: Final answer
    x = 698,477.87

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Double scale
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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.