Home / 1,238,718.30-1,858,077.45-397,355.10

Finding the Fourth Proportional to 1,238,718.30, 1,858,077.45 and 397,355.10

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Solution

The fourth proportional to 1,238,718.30, 1,858,077.45 and 397,355.10 is: 596,032.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,718.30 : 1,858,077.45 = 397,355.10 : x
  2. Step 2: Convert to fraction form
    1,238,718.30/1,858,077.45 = 397,355.10/x
  3. Step 3: Cross multiply
    1,238,718.30x = 1,858,077.45 × 397,355.10
  4. Step 4: Simplify right side
    1,238,718.30x = 738,316,550,952.50
  5. Step 5: Solve for x
    x = 738,316,550,952.50/1,238,718.30
  6. Step 6: Final answer
    x = 596,032.65

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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.