Home / 614,760.40-921,156.45-404,152.30

Finding the Fourth Proportional to 614,760.40, 921,156.45 and 404,152.30

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Solution

The fourth proportional to 614,760.40, 921,156.45 and 404,152.30 is: 605,581.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,760.40 : 921,156.45 = 404,152.30 : x
  2. Step 2: Convert to fraction form
    614,760.40/921,156.45 = 404,152.30/x
  3. Step 3: Cross multiply
    614,760.40x = 921,156.45 × 404,152.30
  4. Step 4: Simplify right side
    614,760.40x = 372,287,497,927.34
  5. Step 5: Solve for x
    x = 372,287,497,927.34/614,760.40
  6. Step 6: Final answer
    x = 605,581.46

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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.