Home / 1,700,856.60-2,551,284.90-991,685.40

Finding the Fourth Proportional to 1,700,856.60, 2,551,284.90 and 991,685.40

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Solution

The fourth proportional to 1,700,856.60, 2,551,284.90 and 991,685.40 is: 1,487,528.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700,856.60 : 2,551,284.90 = 991,685.40 : x
  2. Step 2: Convert to fraction form
    1,700,856.60/2,551,284.90 = 991,685.40/x
  3. Step 3: Cross multiply
    1,700,856.60x = 2,551,284.90 × 991,685.40
  4. Step 4: Simplify right side
    1,700,856.60x = 2,530,071,986,570.46
  5. Step 5: Solve for x
    x = 2,530,071,986,570.46/1,700,856.60
  6. Step 6: Final answer
    x = 1,487,528.10

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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.