Home / 916,540.40-1,376,041.80-537,849.20

Finding the Fourth Proportional to 916,540.40, 1,376,041.80 and 537,849.20

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Solution

The fourth proportional to 916,540.40, 1,376,041.80 and 537,849.20 is: 807,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,540.40 : 1,376,041.80 = 537,849.20 : x
  2. Step 2: Convert to fraction form
    916,540.40/1,376,041.80 = 537,849.20/x
  3. Step 3: Cross multiply
    916,540.40x = 1,376,041.80 × 537,849.20
  4. Step 4: Simplify right side
    916,540.40x = 740,102,981,296.56
  5. Step 5: Solve for x
    x = 740,102,981,296.56/916,540.40
  6. Step 6: Final answer
    x = 807,496.30

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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.