Home / 824,493.40-1,234,320.90-615,059.80

Finding the Fourth Proportional to 824,493.40, 1,234,320.90 and 615,059.80

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Solution

The fourth proportional to 824,493.40, 1,234,320.90 and 615,059.80 is: 920,785.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,493.40 : 1,234,320.90 = 615,059.80 : x
  2. Step 2: Convert to fraction form
    824,493.40/1,234,320.90 = 615,059.80/x
  3. Step 3: Cross multiply
    824,493.40x = 1,234,320.90 × 615,059.80
  4. Step 4: Simplify right side
    824,493.40x = 759,181,165,889.82
  5. Step 5: Solve for x
    x = 759,181,165,889.82/824,493.40
  6. Step 6: Final answer
    x = 920,785.01

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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.