Home / 611,144.48-915,779.04-255,964.16

Finding the Fourth Proportional to 611,144.48, 915,779.04 and 255,964.16

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Solution

The fourth proportional to 611,144.48, 915,779.04 and 255,964.16 is: 383,553.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,144.48 : 915,779.04 = 255,964.16 : x
  2. Step 2: Convert to fraction form
    611,144.48/915,779.04 = 255,964.16/x
  3. Step 3: Cross multiply
    611,144.48x = 915,779.04 × 255,964.16
  4. Step 4: Simplify right side
    611,144.48x = 234,406,612,719.21
  5. Step 5: Solve for x
    x = 234,406,612,719.21/611,144.48
  6. Step 6: Final answer
    x = 383,553.51

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1.5x scale

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.