Home / 935,405.10-1,290,827.61-591,426.18

Finding the Fourth Proportional to 935,405.10, 1,290,827.61 and 591,426.18

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Solution

The fourth proportional to 935,405.10, 1,290,827.61 and 591,426.18 is: 816,148.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,405.10 : 1,290,827.61 = 591,426.18 : x
  2. Step 2: Convert to fraction form
    935,405.10/1,290,827.61 = 591,426.18/x
  3. Step 3: Cross multiply
    935,405.10x = 1,290,827.61 × 591,426.18
  4. Step 4: Simplify right side
    935,405.10x = 763,429,242,420.83
  5. Step 5: Solve for x
    x = 763,429,242,420.83/935,405.10
  6. Step 6: Final answer
    x = 816,148.26

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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.