Home / 583,966.20-805,873.02-315,694.20

Finding the Fourth Proportional to 583,966.20, 805,873.02 and 315,694.20

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Solution

The fourth proportional to 583,966.20, 805,873.02 and 315,694.20 is: 435,657.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,966.20 : 805,873.02 = 315,694.20 : x
  2. Step 2: Convert to fraction form
    583,966.20/805,873.02 = 315,694.20/x
  3. Step 3: Cross multiply
    583,966.20x = 805,873.02 × 315,694.20
  4. Step 4: Simplify right side
    583,966.20x = 254,409,438,350.48
  5. Step 5: Solve for x
    x = 254,409,438,350.48/583,966.20
  6. Step 6: Final answer
    x = 435,657.81

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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.