Home / 1,248,168.96-1,872,331.20-500,117.76

Finding the Fourth Proportional to 1,248,168.96, 1,872,331.20 and 500,117.76

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Solution

The fourth proportional to 1,248,168.96, 1,872,331.20 and 500,117.76 is: 750,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,168.96 : 1,872,331.20 = 500,117.76 : x
  2. Step 2: Convert to fraction form
    1,248,168.96/1,872,331.20 = 500,117.76/x
  3. Step 3: Cross multiply
    1,248,168.96x = 1,872,331.20 × 500,117.76
  4. Step 4: Simplify right side
    1,248,168.96x = 936,386,085,722.11
  5. Step 5: Solve for x
    x = 936,386,085,722.11/1,248,168.96
  6. Step 6: Final answer
    x = 750,207.80

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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.