Home / 731,234.98-1,009,074.46-425,320.15

Finding the Fourth Proportional to 731,234.98, 1,009,074.46 and 425,320.15

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Solution

The fourth proportional to 731,234.98, 1,009,074.46 and 425,320.15 is: 586,924.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,234.98 : 1,009,074.46 = 425,320.15 : x
  2. Step 2: Convert to fraction form
    731,234.98/1,009,074.46 = 425,320.15/x
  3. Step 3: Cross multiply
    731,234.98x = 1,009,074.46 × 425,320.15
  4. Step 4: Simplify right side
    731,234.98x = 429,179,698,561.77
  5. Step 5: Solve for x
    x = 429,179,698,561.77/731,234.98
  6. Step 6: Final answer
    x = 586,924.47

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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.