Home / 1,158,870.65-1,599,212.00-642,616.31

Finding the Fourth Proportional to 1,158,870.65, 1,599,212.00 and 642,616.31

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Solution

The fourth proportional to 1,158,870.65, 1,599,212.00 and 642,616.31 is: 886,794.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,870.65 : 1,599,212.00 = 642,616.31 : x
  2. Step 2: Convert to fraction form
    1,158,870.65/1,599,212.00 = 642,616.31/x
  3. Step 3: Cross multiply
    1,158,870.65x = 1,599,212.00 × 642,616.31
  4. Step 4: Simplify right side
    1,158,870.65x = 1,027,679,719,952.29
  5. Step 5: Solve for x
    x = 1,027,679,719,952.29/1,158,870.65
  6. Step 6: Final answer
    x = 886,794.16

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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.