Home / 960,046.70-1,440,070.05-328,904.30

Finding the Fourth Proportional to 960,046.70, 1,440,070.05 and 328,904.30

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Solution

The fourth proportional to 960,046.70, 1,440,070.05 and 328,904.30 is: 493,356.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,046.70 : 1,440,070.05 = 328,904.30 : x
  2. Step 2: Convert to fraction form
    960,046.70/1,440,070.05 = 328,904.30/x
  3. Step 3: Cross multiply
    960,046.70x = 1,440,070.05 × 328,904.30
  4. Step 4: Simplify right side
    960,046.70x = 473,645,231,746.22
  5. Step 5: Solve for x
    x = 473,645,231,746.22/960,046.70
  6. Step 6: Final answer
    x = 493,356.45

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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.