Home / 910,988.76-1,367,312.40-484,882.32

Finding the Fourth Proportional to 910,988.76, 1,367,312.40 and 484,882.32

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Solution

The fourth proportional to 910,988.76, 1,367,312.40 and 484,882.32 is: 727,764.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,988.76 : 1,367,312.40 = 484,882.32 : x
  2. Step 2: Convert to fraction form
    910,988.76/1,367,312.40 = 484,882.32/x
  3. Step 3: Cross multiply
    910,988.76x = 1,367,312.40 × 484,882.32
  4. Step 4: Simplify right side
    910,988.76x = 662,985,608,676.77
  5. Step 5: Solve for x
    x = 662,985,608,676.77/910,988.76
  6. Step 6: Final answer
    x = 727,764.86

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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.