Home / 946,947.60-1,418,578.20-571,856.40

Finding the Fourth Proportional to 946,947.60, 1,418,578.20 and 571,856.40

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Solution

The fourth proportional to 946,947.60, 1,418,578.20 and 571,856.40 is: 856,671.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,947.60 : 1,418,578.20 = 571,856.40 : x
  2. Step 2: Convert to fraction form
    946,947.60/1,418,578.20 = 571,856.40/x
  3. Step 3: Cross multiply
    946,947.60x = 1,418,578.20 × 571,856.40
  4. Step 4: Simplify right side
    946,947.60x = 811,223,022,570.48
  5. Step 5: Solve for x
    x = 811,223,022,570.48/946,947.60
  6. Step 6: Final answer
    x = 856,671.50

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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.