Home / 617,928.60-926,201.70-318,293.40

Finding the Fourth Proportional to 617,928.60, 926,201.70 and 318,293.40

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Solution

The fourth proportional to 617,928.60, 926,201.70 and 318,293.40 is: 477,084.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,928.60 : 926,201.70 = 318,293.40 : x
  2. Step 2: Convert to fraction form
    617,928.60/926,201.70 = 318,293.40/x
  3. Step 3: Cross multiply
    617,928.60x = 926,201.70 × 318,293.40
  4. Step 4: Simplify right side
    617,928.60x = 294,803,888,178.78
  5. Step 5: Solve for x
    x = 294,803,888,178.78/617,928.60
  6. Step 6: Final answer
    x = 477,084.06

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1.5x scale

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.