Home / 738,985.93-1,108,476.85-178,020.43

Finding the Fourth Proportional to 738,985.93, 1,108,476.85 and 178,020.43

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Solution

The fourth proportional to 738,985.93, 1,108,476.85 and 178,020.43 is: 267,030.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,985.93 : 1,108,476.85 = 178,020.43 : x
  2. Step 2: Convert to fraction form
    738,985.93/1,108,476.85 = 178,020.43/x
  3. Step 3: Cross multiply
    738,985.93x = 1,108,476.85 × 178,020.43
  4. Step 4: Simplify right side
    738,985.93x = 197,331,528,834.77
  5. Step 5: Solve for x
    x = 197,331,528,834.77/738,985.93
  6. Step 6: Final answer
    x = 267,030.16

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Double scale
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Similar ratio
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1.5x scale

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.