Home / 529,444.66-730,621.20-296,856.10

Finding the Fourth Proportional to 529,444.66, 730,621.20 and 296,856.10

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Solution

The fourth proportional to 529,444.66, 730,621.20 and 296,856.10 is: 409,654.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,444.66 : 730,621.20 = 296,856.10 : x
  2. Step 2: Convert to fraction form
    529,444.66/730,621.20 = 296,856.10/x
  3. Step 3: Cross multiply
    529,444.66x = 730,621.20 × 296,856.10
  4. Step 4: Simplify right side
    529,444.66x = 216,889,360,009.32
  5. Step 5: Solve for x
    x = 216,889,360,009.32/529,444.66
  6. Step 6: Final answer
    x = 409,654.45

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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.