Home / 1,137,259.14-1,569,421.27-621,017.79

Finding the Fourth Proportional to 1,137,259.14, 1,569,421.27 and 621,017.79

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Solution

The fourth proportional to 1,137,259.14, 1,569,421.27 and 621,017.79 is: 857,006.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,259.14 : 1,569,421.27 = 621,017.79 : x
  2. Step 2: Convert to fraction form
    1,137,259.14/1,569,421.27 = 621,017.79/x
  3. Step 3: Cross multiply
    1,137,259.14x = 1,569,421.27 × 621,017.79
  4. Step 4: Simplify right side
    1,137,259.14x = 974,638,523,565.34
  5. Step 5: Solve for x
    x = 974,638,523,565.34/1,137,259.14
  6. Step 6: Final answer
    x = 857,006.55

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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.