Home / 479,919.19-719,966.27-240,158.47

Finding the Fourth Proportional to 479,919.19, 719,966.27 and 240,158.47

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Solution

The fourth proportional to 479,919.19, 719,966.27 and 240,158.47 is: 360,281.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,919.19 : 719,966.27 = 240,158.47 : x
  2. Step 2: Convert to fraction form
    479,919.19/719,966.27 = 240,158.47/x
  3. Step 3: Cross multiply
    479,919.19x = 719,966.27 × 240,158.47
  4. Step 4: Simplify right side
    479,919.19x = 172,905,997,854.81
  5. Step 5: Solve for x
    x = 172,905,997,854.81/479,919.19
  6. Step 6: Final answer
    x = 360,281.48

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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.