Home / 921,644.33-1,271,875.46-513,772.07

Finding the Fourth Proportional to 921,644.33, 1,271,875.46 and 513,772.07

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Solution

The fourth proportional to 921,644.33, 1,271,875.46 and 513,772.07 is: 709,008.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,644.33 : 1,271,875.46 = 513,772.07 : x
  2. Step 2: Convert to fraction form
    921,644.33/1,271,875.46 = 513,772.07/x
  3. Step 3: Cross multiply
    921,644.33x = 1,271,875.46 × 513,772.07
  4. Step 4: Simplify right side
    921,644.33x = 653,454,078,938.17
  5. Step 5: Solve for x
    x = 653,454,078,938.17/921,644.33
  6. Step 6: Final answer
    x = 709,008.95

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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.