Home / 546,935.40-819,711.90-487,492.20

Finding the Fourth Proportional to 546,935.40, 819,711.90 and 487,492.20

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Solution

The fourth proportional to 546,935.40, 819,711.90 and 487,492.20 is: 730,622.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,935.40 : 819,711.90 = 487,492.20 : x
  2. Step 2: Convert to fraction form
    546,935.40/819,711.90 = 487,492.20/x
  3. Step 3: Cross multiply
    546,935.40x = 819,711.90 × 487,492.20
  4. Step 4: Simplify right side
    546,935.40x = 399,603,157,497.18
  5. Step 5: Solve for x
    x = 399,603,157,497.18/546,935.40
  6. Step 6: Final answer
    x = 730,622.22

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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.