Home / 597,930.40-895,340.40-386,423.20

Finding the Fourth Proportional to 597,930.40, 895,340.40 and 386,423.20

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Solution

The fourth proportional to 597,930.40, 895,340.40 and 386,423.20 is: 578,629.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,930.40 : 895,340.40 = 386,423.20 : x
  2. Step 2: Convert to fraction form
    597,930.40/895,340.40 = 386,423.20/x
  3. Step 3: Cross multiply
    597,930.40x = 895,340.40 × 386,423.20
  4. Step 4: Simplify right side
    597,930.40x = 345,980,302,457.28
  5. Step 5: Solve for x
    x = 345,980,302,457.28/597,930.40
  6. Step 6: Final answer
    x = 578,629.72

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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.