Home / 1,158,889.38-1,738,583.19-390,463.47

Finding the Fourth Proportional to 1,158,889.38, 1,738,583.19 and 390,463.47

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Solution

The fourth proportional to 1,158,889.38, 1,738,583.19 and 390,463.47 is: 585,779.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,889.38 : 1,738,583.19 = 390,463.47 : x
  2. Step 2: Convert to fraction form
    1,158,889.38/1,738,583.19 = 390,463.47/x
  3. Step 3: Cross multiply
    1,158,889.38x = 1,738,583.19 × 390,463.47
  4. Step 4: Simplify right side
    1,158,889.38x = 678,853,225,251.07
  5. Step 5: Solve for x
    x = 678,853,225,251.07/1,158,889.38
  6. Step 6: Final answer
    x = 585,779.14

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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.