Home / 905,508.60-1,249,594.56-492,041.76

Finding the Fourth Proportional to 905,508.60, 1,249,594.56 and 492,041.76

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Solution

The fourth proportional to 905,508.60, 1,249,594.56 and 492,041.76 is: 679,013.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,508.60 : 1,249,594.56 = 492,041.76 : x
  2. Step 2: Convert to fraction form
    905,508.60/1,249,594.56 = 492,041.76/x
  3. Step 3: Cross multiply
    905,508.60x = 1,249,594.56 × 492,041.76
  4. Step 4: Simplify right side
    905,508.60x = 614,852,706,588.83
  5. Step 5: Solve for x
    x = 614,852,706,588.83/905,508.60
  6. Step 6: Final answer
    x = 679,013.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.