Home / 747,680.07-1,031,660.46-425,371.35

Finding the Fourth Proportional to 747,680.07, 1,031,660.46 and 425,371.35

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Solution

The fourth proportional to 747,680.07, 1,031,660.46 and 425,371.35 is: 586,933.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,680.07 : 1,031,660.46 = 425,371.35 : x
  2. Step 2: Convert to fraction form
    747,680.07/1,031,660.46 = 425,371.35/x
  3. Step 3: Cross multiply
    747,680.07x = 1,031,660.46 × 425,371.35
  4. Step 4: Simplify right side
    747,680.07x = 438,838,802,611.82
  5. Step 5: Solve for x
    x = 438,838,802,611.82/747,680.07
  6. Step 6: Final answer
    x = 586,933.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.