Home / 579,856.16-869,868.12-180,532.64

Finding the Fourth Proportional to 579,856.16, 869,868.12 and 180,532.64

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Solution

The fourth proportional to 579,856.16, 869,868.12 and 180,532.64 is: 270,825.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,856.16 : 869,868.12 = 180,532.64 : x
  2. Step 2: Convert to fraction form
    579,856.16/869,868.12 = 180,532.64/x
  3. Step 3: Cross multiply
    579,856.16x = 869,868.12 × 180,532.64
  4. Step 4: Simplify right side
    579,856.16x = 157,039,588,155.44
  5. Step 5: Solve for x
    x = 157,039,588,155.44/579,856.16
  6. Step 6: Final answer
    x = 270,825.08

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Double scale
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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.