Home / 929,127.20-1,393,345.20-368,045.60

Finding the Fourth Proportional to 929,127.20, 1,393,345.20 and 368,045.60

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Solution

The fourth proportional to 929,127.20, 1,393,345.20 and 368,045.60 is: 551,931.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,127.20 : 1,393,345.20 = 368,045.60 : x
  2. Step 2: Convert to fraction form
    929,127.20/1,393,345.20 = 368,045.60/x
  3. Step 3: Cross multiply
    929,127.20x = 1,393,345.20 × 368,045.60
  4. Step 4: Simplify right side
    929,127.20x = 512,814,570,141.12
  5. Step 5: Solve for x
    x = 512,814,570,141.12/929,127.20
  6. Step 6: Final answer
    x = 551,931.50

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Double scale
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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.