Home / 649,943.36-974,934.72-176,638.72

Finding the Fourth Proportional to 649,943.36, 974,934.72 and 176,638.72

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Solution

The fourth proportional to 649,943.36, 974,934.72 and 176,638.72 is: 264,963.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,943.36 : 974,934.72 = 176,638.72 : x
  2. Step 2: Convert to fraction form
    649,943.36/974,934.72 = 176,638.72/x
  3. Step 3: Cross multiply
    649,943.36x = 974,934.72 × 176,638.72
  4. Step 4: Simplify right side
    649,943.36x = 172,211,221,024.36
  5. Step 5: Solve for x
    x = 172,211,221,024.36/649,943.36
  6. Step 6: Final answer
    x = 264,963.43

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Double scale
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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.