Home / 997,743.81-1,376,884.13-545,038.05

Finding the Fourth Proportional to 997,743.81, 1,376,884.13 and 545,038.05

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Solution

The fourth proportional to 997,743.81, 1,376,884.13 and 545,038.05 is: 752,151.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,743.81 : 1,376,884.13 = 545,038.05 : x
  2. Step 2: Convert to fraction form
    997,743.81/1,376,884.13 = 545,038.05/x
  3. Step 3: Cross multiply
    997,743.81x = 1,376,884.13 × 545,038.05
  4. Step 4: Simplify right side
    997,743.81x = 750,454,238,565.96
  5. Step 5: Solve for x
    x = 750,454,238,565.96/997,743.81
  6. Step 6: Final answer
    x = 752,151.23

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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.