Home / 566,168.19-781,312.10-308,045.25

Finding the Fourth Proportional to 566,168.19, 781,312.10 and 308,045.25

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Solution

The fourth proportional to 566,168.19, 781,312.10 and 308,045.25 is: 425,102.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,168.19 : 781,312.10 = 308,045.25 : x
  2. Step 2: Convert to fraction form
    566,168.19/781,312.10 = 308,045.25/x
  3. Step 3: Cross multiply
    566,168.19x = 781,312.10 × 308,045.25
  4. Step 4: Simplify right side
    566,168.19x = 240,679,481,172.53
  5. Step 5: Solve for x
    x = 240,679,481,172.53/566,168.19
  6. Step 6: Final answer
    x = 425,102.44

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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.