Home / 583,685.20-805,497.90-329,036.40

Finding the Fourth Proportional to 583,685.20, 805,497.90 and 329,036.40

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Solution

The fourth proportional to 583,685.20, 805,497.90 and 329,036.40 is: 454,077.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,685.20 : 805,497.90 = 329,036.40 : x
  2. Step 2: Convert to fraction form
    583,685.20/805,497.90 = 329,036.40/x
  3. Step 3: Cross multiply
    583,685.20x = 805,497.90 × 329,036.40
  4. Step 4: Simplify right side
    583,685.20x = 265,038,129,223.56
  5. Step 5: Solve for x
    x = 265,038,129,223.56/583,685.20
  6. Step 6: Final answer
    x = 454,077.18

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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.