Home / 1,557,191.93-2,148,518.18-912,265.43

Finding the Fourth Proportional to 1,557,191.93, 2,148,518.18 and 912,265.43

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Solution

The fourth proportional to 1,557,191.93, 2,148,518.18 and 912,265.43 is: 1,258,688.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,191.93 : 2,148,518.18 = 912,265.43 : x
  2. Step 2: Convert to fraction form
    1,557,191.93/2,148,518.18 = 912,265.43/x
  3. Step 3: Cross multiply
    1,557,191.93x = 2,148,518.18 × 912,265.43
  4. Step 4: Simplify right side
    1,557,191.93x = 1,960,018,852,878.59
  5. Step 5: Solve for x
    x = 1,960,018,852,878.59/1,557,191.93
  6. Step 6: Final answer
    x = 1,258,688.04

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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.