Home / 514,678.59-771,870.29-177,631.83

Finding the Fourth Proportional to 514,678.59, 771,870.29 and 177,631.83

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Solution

The fourth proportional to 514,678.59, 771,870.29 and 177,631.83 is: 266,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,678.59 : 771,870.29 = 177,631.83 : x
  2. Step 2: Convert to fraction form
    514,678.59/771,870.29 = 177,631.83/x
  3. Step 3: Cross multiply
    514,678.59x = 771,870.29 × 177,631.83
  4. Step 4: Simplify right side
    514,678.59x = 137,108,731,247.17
  5. Step 5: Solve for x
    x = 137,108,731,247.17/514,678.59
  6. Step 6: Final answer
    x = 266,396.80

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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.