Home / 597,998.40-895,442.40-386,491.20

Finding the Fourth Proportional to 597,998.40, 895,442.40 and 386,491.20

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Solution

The fourth proportional to 597,998.40, 895,442.40 and 386,491.20 is: 578,731.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,998.40 : 895,442.40 = 386,491.20 : x
  2. Step 2: Convert to fraction form
    597,998.40/895,442.40 = 386,491.20/x
  3. Step 3: Cross multiply
    597,998.40x = 895,442.40 × 386,491.20
  4. Step 4: Simplify right side
    597,998.40x = 346,080,607,706.88
  5. Step 5: Solve for x
    x = 346,080,607,706.88/597,998.40
  6. Step 6: Final answer
    x = 578,731.66

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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.