Home / 983,769.24-1,357,583.18-536,223.80

Finding the Fourth Proportional to 983,769.24, 1,357,583.18 and 536,223.80

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Solution

The fourth proportional to 983,769.24, 1,357,583.18 and 536,223.80 is: 739,978.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,769.24 : 1,357,583.18 = 536,223.80 : x
  2. Step 2: Convert to fraction form
    983,769.24/1,357,583.18 = 536,223.80/x
  3. Step 3: Cross multiply
    983,769.24x = 1,357,583.18 × 536,223.80
  4. Step 4: Simplify right side
    983,769.24x = 727,968,411,595.68
  5. Step 5: Solve for x
    x = 727,968,411,595.68/983,769.24
  6. Step 6: Final answer
    x = 739,978.83

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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.