Home / 771,243.29-1,158,638.58-544,061.78

Finding the Fourth Proportional to 771,243.29, 1,158,638.58 and 544,061.78

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Solution

The fourth proportional to 771,243.29, 1,158,638.58 and 544,061.78 is: 817,343.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,243.29 : 1,158,638.58 = 544,061.78 : x
  2. Step 2: Convert to fraction form
    771,243.29/1,158,638.58 = 544,061.78/x
  3. Step 3: Cross multiply
    771,243.29x = 1,158,638.58 × 544,061.78
  4. Step 4: Simplify right side
    771,243.29x = 630,370,966,763.17
  5. Step 5: Solve for x
    x = 630,370,966,763.17/771,243.29
  6. Step 6: Final answer
    x = 817,343.86

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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.