Home / 575,627.16-862,948.38-220,895.76

Finding the Fourth Proportional to 575,627.16, 862,948.38 and 220,895.76

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Solution

The fourth proportional to 575,627.16, 862,948.38 and 220,895.76 is: 331,154.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,627.16 : 862,948.38 = 220,895.76 : x
  2. Step 2: Convert to fraction form
    575,627.16/862,948.38 = 220,895.76/x
  3. Step 3: Cross multiply
    575,627.16x = 862,948.38 × 220,895.76
  4. Step 4: Simplify right side
    575,627.16x = 190,621,638,240.87
  5. Step 5: Solve for x
    x = 190,621,638,240.87/575,627.16
  6. Step 6: Final answer
    x = 331,154.70

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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.