Home / 596,428.80-822,996.90-403,256.76

Finding the Fourth Proportional to 596,428.80, 822,996.90 and 403,256.76

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Solution

The fourth proportional to 596,428.80, 822,996.90 and 403,256.76 is: 556,443.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    596,428.80 : 822,996.90 = 403,256.76 : x
  2. Step 2: Convert to fraction form
    596,428.80/822,996.90 = 403,256.76/x
  3. Step 3: Cross multiply
    596,428.80x = 822,996.90 × 403,256.76
  4. Step 4: Simplify right side
    596,428.80x = 331,879,063,384.04
  5. Step 5: Solve for x
    x = 331,879,063,384.04/596,428.80
  6. Step 6: Final answer
    x = 556,443.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.