Home / 1,147,237.52-1,583,226.12-631,013.16

Finding the Fourth Proportional to 1,147,237.52, 1,583,226.12 and 631,013.16

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Solution

The fourth proportional to 1,147,237.52, 1,583,226.12 and 631,013.16 is: 870,819.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,237.52 : 1,583,226.12 = 631,013.16 : x
  2. Step 2: Convert to fraction form
    1,147,237.52/1,583,226.12 = 631,013.16/x
  3. Step 3: Cross multiply
    1,147,237.52x = 1,583,226.12 × 631,013.16
  4. Step 4: Simplify right side
    1,147,237.52x = 999,036,516,975.74
  5. Step 5: Solve for x
    x = 999,036,516,975.74/1,147,237.52
  6. Step 6: Final answer
    x = 870,819.25

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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.