Home / 731,069.58-1,007,883.90-512,981.94

Finding the Fourth Proportional to 731,069.58, 1,007,883.90 and 512,981.94

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Solution

The fourth proportional to 731,069.58, 1,007,883.90 and 512,981.94 is: 707,218.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,069.58 : 1,007,883.90 = 512,981.94 : x
  2. Step 2: Convert to fraction form
    731,069.58/1,007,883.90 = 512,981.94/x
  3. Step 3: Cross multiply
    731,069.58x = 1,007,883.90 × 512,981.94
  4. Step 4: Simplify right side
    731,069.58x = 517,026,238,316.77
  5. Step 5: Solve for x
    x = 517,026,238,316.77/731,069.58
  6. Step 6: Final answer
    x = 707,218.92

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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.