Home / 649,615.32-974,384.10-176,290.20

Finding the Fourth Proportional to 649,615.32, 974,384.10 and 176,290.20

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Solution

The fourth proportional to 649,615.32, 974,384.10 and 176,290.20 is: 264,424.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,615.32 : 974,384.10 = 176,290.20 : x
  2. Step 2: Convert to fraction form
    649,615.32/974,384.10 = 176,290.20/x
  3. Step 3: Cross multiply
    649,615.32x = 974,384.10 × 176,290.20
  4. Step 4: Simplify right side
    649,615.32x = 171,774,367,865.82
  5. Step 5: Solve for x
    x = 171,774,367,865.82/649,615.32
  6. Step 6: Final answer
    x = 264,424.75

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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.