Home / 587,285.40-880,928.10-583,138.20

Finding the Fourth Proportional to 587,285.40, 880,928.10 and 583,138.20

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Solution

The fourth proportional to 587,285.40, 880,928.10 and 583,138.20 is: 874,707.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,285.40 : 880,928.10 = 583,138.20 : x
  2. Step 2: Convert to fraction form
    587,285.40/880,928.10 = 583,138.20/x
  3. Step 3: Cross multiply
    587,285.40x = 880,928.10 × 583,138.20
  4. Step 4: Simplify right side
    587,285.40x = 513,702,826,563.42
  5. Step 5: Solve for x
    x = 513,702,826,563.42/587,285.40
  6. Step 6: Final answer
    x = 874,707.30

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Similar ratio
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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.