Home / 738,110.40-1,105,610.40-613,694.40

Finding the Fourth Proportional to 738,110.40, 1,105,610.40 and 613,694.40

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Solution

The fourth proportional to 738,110.40, 1,105,610.40 and 613,694.40 is: 919,248.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,110.40 : 1,105,610.40 = 613,694.40 : x
  2. Step 2: Convert to fraction form
    738,110.40/1,105,610.40 = 613,694.40/x
  3. Step 3: Cross multiply
    738,110.40x = 1,105,610.40 × 613,694.40
  4. Step 4: Simplify right side
    738,110.40x = 678,506,911,061.76
  5. Step 5: Solve for x
    x = 678,506,911,061.76/738,110.40
  6. Step 6: Final answer
    x = 919,248.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.