Home / 440,427.31-607,779.52-256,654.19

Finding the Fourth Proportional to 440,427.31, 607,779.52 and 256,654.19

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Solution

The fourth proportional to 440,427.31, 607,779.52 and 256,654.19 is: 354,176.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,427.31 : 607,779.52 = 256,654.19 : x
  2. Step 2: Convert to fraction form
    440,427.31/607,779.52 = 256,654.19/x
  3. Step 3: Cross multiply
    440,427.31x = 607,779.52 × 256,654.19
  4. Step 4: Simplify right side
    440,427.31x = 155,989,161,282.00
  5. Step 5: Solve for x
    x = 155,989,161,282.00/440,427.31
  6. Step 6: Final answer
    x = 354,176.86

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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.