Home / 630,317.28-945,478.08-157,001.76

Finding the Fourth Proportional to 630,317.28, 945,478.08 and 157,001.76

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Solution

The fourth proportional to 630,317.28, 945,478.08 and 157,001.76 is: 235,503.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,317.28 : 945,478.08 = 157,001.76 : x
  2. Step 2: Convert to fraction form
    630,317.28/945,478.08 = 157,001.76/x
  3. Step 3: Cross multiply
    630,317.28x = 945,478.08 × 157,001.76
  4. Step 4: Simplify right side
    630,317.28x = 148,441,722,601.42
  5. Step 5: Solve for x
    x = 148,441,722,601.42/630,317.28
  6. Step 6: Final answer
    x = 235,503.18

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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.