Home / 712,883.30-1,068,660.54-357,482.03

Finding the Fourth Proportional to 712,883.30, 1,068,660.54 and 357,482.03

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Solution

The fourth proportional to 712,883.30, 1,068,660.54 and 357,482.03 is: 535,889.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,883.30 : 1,068,660.54 = 357,482.03 : x
  2. Step 2: Convert to fraction form
    712,883.30/1,068,660.54 = 357,482.03/x
  3. Step 3: Cross multiply
    712,883.30x = 1,068,660.54 × 357,482.03
  4. Step 4: Simplify right side
    712,883.30x = 382,026,933,876.79
  5. Step 5: Solve for x
    x = 382,026,933,876.79/712,883.30
  6. Step 6: Final answer
    x = 535,889.87

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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.