Home / 913,641.52-1,370,454.64-714,129.76

Finding the Fourth Proportional to 913,641.52, 1,370,454.64 and 714,129.76

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Solution

The fourth proportional to 913,641.52, 1,370,454.64 and 714,129.76 is: 1,071,188.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,641.52 : 1,370,454.64 = 714,129.76 : x
  2. Step 2: Convert to fraction form
    913,641.52/1,370,454.64 = 714,129.76/x
  3. Step 3: Cross multiply
    913,641.52x = 1,370,454.64 × 714,129.76
  4. Step 4: Simplify right side
    913,641.52x = 978,682,443,154.09
  5. Step 5: Solve for x
    x = 978,682,443,154.09/913,641.52
  6. Step 6: Final answer
    x = 1,071,188.67

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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.