Home / 715,043.21-986,931.49-409,296.83

Finding the Fourth Proportional to 715,043.21, 986,931.49 and 409,296.83

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Solution

The fourth proportional to 715,043.21, 986,931.49 and 409,296.83 is: 564,928.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,043.21 : 986,931.49 = 409,296.83 : x
  2. Step 2: Convert to fraction form
    715,043.21/986,931.49 = 409,296.83/x
  3. Step 3: Cross multiply
    715,043.21x = 986,931.49 × 409,296.83
  4. Step 4: Simplify right side
    715,043.21x = 403,947,930,284.18
  5. Step 5: Solve for x
    x = 403,947,930,284.18/715,043.21
  6. Step 6: Final answer
    x = 564,928.00

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1.5x scale

Why These Related Problems?

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