Home / 657,561.24-908,061.22-621,737.63

Finding the Fourth Proportional to 657,561.24, 908,061.22 and 621,737.63

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Solution

The fourth proportional to 657,561.24, 908,061.22 and 621,737.63 is: 858,590.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,561.24 : 908,061.22 = 621,737.63 : x
  2. Step 2: Convert to fraction form
    657,561.24/908,061.22 = 621,737.63/x
  3. Step 3: Cross multiply
    657,561.24x = 908,061.22 × 621,737.63
  4. Step 4: Simplify right side
    657,561.24x = 564,575,830,817.71
  5. Step 5: Solve for x
    x = 564,575,830,817.71/657,561.24
  6. Step 6: Final answer
    x = 858,590.50

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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.