Home / 591,266.78-887,120.47-354,779.18

Finding the Fourth Proportional to 591,266.78, 887,120.47 and 354,779.18

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Solution

The fourth proportional to 591,266.78, 887,120.47 and 354,779.18 is: 532,300.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,266.78 : 887,120.47 = 354,779.18 : x
  2. Step 2: Convert to fraction form
    591,266.78/887,120.47 = 354,779.18/x
  3. Step 3: Cross multiply
    591,266.78x = 887,120.47 × 354,779.18
  4. Step 4: Simplify right side
    591,266.78x = 314,731,872,907.82
  5. Step 5: Solve for x
    x = 314,731,872,907.82/591,266.78
  6. Step 6: Final answer
    x = 532,300.96

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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.