Home / 927,259.12-1,390,888.68-506,305.36

Finding the Fourth Proportional to 927,259.12, 1,390,888.68 and 506,305.36

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Solution

The fourth proportional to 927,259.12, 1,390,888.68 and 506,305.36 is: 759,458.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,259.12 : 1,390,888.68 = 506,305.36 : x
  2. Step 2: Convert to fraction form
    927,259.12/1,390,888.68 = 506,305.36/x
  3. Step 3: Cross multiply
    927,259.12x = 1,390,888.68 × 506,305.36
  4. Step 4: Simplify right side
    927,259.12x = 704,214,393,847.33
  5. Step 5: Solve for x
    x = 704,214,393,847.33/927,259.12
  6. Step 6: Final answer
    x = 759,458.04

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Similar ratio
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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.