Home / 834,143.21-1,249,194.28-577,255.95

Finding the Fourth Proportional to 834,143.21, 1,249,194.28 and 577,255.95

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Solution

The fourth proportional to 834,143.21, 1,249,194.28 and 577,255.95 is: 864,485.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,143.21 : 1,249,194.28 = 577,255.95 : x
  2. Step 2: Convert to fraction form
    834,143.21/1,249,194.28 = 577,255.95/x
  3. Step 3: Cross multiply
    834,143.21x = 1,249,194.28 × 577,255.95
  4. Step 4: Simplify right side
    834,143.21x = 721,104,829,392.83
  5. Step 5: Solve for x
    x = 721,104,829,392.83/834,143.21
  6. Step 6: Final answer
    x = 864,485.64

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Double scale
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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.