Home / 1,071,594.96-1,607,339.52-397,807.20

Finding the Fourth Proportional to 1,071,594.96, 1,607,339.52 and 397,807.20

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Solution

The fourth proportional to 1,071,594.96, 1,607,339.52 and 397,807.20 is: 596,691.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,594.96 : 1,607,339.52 = 397,807.20 : x
  2. Step 2: Convert to fraction form
    1,071,594.96/1,607,339.52 = 397,807.20/x
  3. Step 3: Cross multiply
    1,071,594.96x = 1,607,339.52 × 397,807.20
  4. Step 4: Simplify right side
    1,071,594.96x = 639,411,233,900.54
  5. Step 5: Solve for x
    x = 639,411,233,900.54/1,071,594.96
  6. Step 6: Final answer
    x = 596,691.15

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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.