Home / 566,247.40-781,401.54-311,592.04

Finding the Fourth Proportional to 566,247.40, 781,401.54 and 311,592.04

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Solution

The fourth proportional to 566,247.40, 781,401.54 and 311,592.04 is: 429,986.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,247.40 : 781,401.54 = 311,592.04 : x
  2. Step 2: Convert to fraction form
    566,247.40/781,401.54 = 311,592.04/x
  3. Step 3: Cross multiply
    566,247.40x = 781,401.54 × 311,592.04
  4. Step 4: Simplify right side
    566,247.40x = 243,478,499,907.74
  5. Step 5: Solve for x
    x = 243,478,499,907.74/566,247.40
  6. Step 6: Final answer
    x = 429,986.08

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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.