Home / 644,510.71-965,849.35-474,695.56

Finding the Fourth Proportional to 644,510.71, 965,849.35 and 474,695.56

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Solution

The fourth proportional to 644,510.71, 965,849.35 and 474,695.56 is: 711,368.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,510.71 : 965,849.35 = 474,695.56 : x
  2. Step 2: Convert to fraction form
    644,510.71/965,849.35 = 474,695.56/x
  3. Step 3: Cross multiply
    644,510.71x = 965,849.35 × 474,695.56
  4. Step 4: Simplify right side
    644,510.71x = 458,484,398,073.89
  5. Step 5: Solve for x
    x = 458,484,398,073.89/644,510.71
  6. Step 6: Final answer
    x = 711,368.16

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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.