Home / 891,803.40-1,336,886.10-386,045.88

Finding the Fourth Proportional to 891,803.40, 1,336,886.10 and 386,045.88

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Solution

The fourth proportional to 891,803.40, 1,336,886.10 and 386,045.88 is: 578,714.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,803.40 : 1,336,886.10 = 386,045.88 : x
  2. Step 2: Convert to fraction form
    891,803.40/1,336,886.10 = 386,045.88/x
  3. Step 3: Cross multiply
    891,803.40x = 1,336,886.10 × 386,045.88
  4. Step 4: Simplify right side
    891,803.40x = 516,099,370,934.27
  5. Step 5: Solve for x
    x = 516,099,370,934.27/891,803.40
  6. Step 6: Final answer
    x = 578,714.29

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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.