Home / 672,106.30-1,008,159.45-604,455.10

Finding the Fourth Proportional to 672,106.30, 1,008,159.45 and 604,455.10

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Solution

The fourth proportional to 672,106.30, 1,008,159.45 and 604,455.10 is: 906,682.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,106.30 : 1,008,159.45 = 604,455.10 : x
  2. Step 2: Convert to fraction form
    672,106.30/1,008,159.45 = 604,455.10/x
  3. Step 3: Cross multiply
    672,106.30x = 1,008,159.45 × 604,455.10
  4. Step 4: Simplify right side
    672,106.30x = 609,387,121,165.70
  5. Step 5: Solve for x
    x = 609,387,121,165.70/672,106.30
  6. Step 6: Final answer
    x = 906,682.65

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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.