Home / 761,656.01-1,142,235.02-256,081.30

Finding the Fourth Proportional to 761,656.01, 1,142,235.02 and 256,081.30

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Solution

The fourth proportional to 761,656.01, 1,142,235.02 and 256,081.30 is: 384,038.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,656.01 : 1,142,235.02 = 256,081.30 : x
  2. Step 2: Convert to fraction form
    761,656.01/1,142,235.02 = 256,081.30/x
  3. Step 3: Cross multiply
    761,656.01x = 1,142,235.02 × 256,081.30
  4. Step 4: Simplify right side
    761,656.01x = 292,505,025,171.28
  5. Step 5: Solve for x
    x = 292,505,025,171.28/761,656.01
  6. Step 6: Final answer
    x = 384,038.23

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Double scale
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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.