Home / 748,051.12-1,032,296.16-408,521.80

Finding the Fourth Proportional to 748,051.12, 1,032,296.16 and 408,521.80

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Solution

The fourth proportional to 748,051.12, 1,032,296.16 and 408,521.80 is: 563,752.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,051.12 : 1,032,296.16 = 408,521.80 : x
  2. Step 2: Convert to fraction form
    748,051.12/1,032,296.16 = 408,521.80/x
  3. Step 3: Cross multiply
    748,051.12x = 1,032,296.16 × 408,521.80
  4. Step 4: Simplify right side
    748,051.12x = 421,715,485,416.29
  5. Step 5: Solve for x
    x = 421,715,485,416.29/748,051.12
  6. Step 6: Final answer
    x = 563,752.23

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.