Home / 592,444.10-817,571.72-320,512.21

Finding the Fourth Proportional to 592,444.10, 817,571.72 and 320,512.21

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Solution

The fourth proportional to 592,444.10, 817,571.72 and 320,512.21 is: 442,306.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,444.10 : 817,571.72 = 320,512.21 : x
  2. Step 2: Convert to fraction form
    592,444.10/817,571.72 = 320,512.21/x
  3. Step 3: Cross multiply
    592,444.10x = 817,571.72 × 320,512.21
  4. Step 4: Simplify right side
    592,444.10x = 262,041,717,568.05
  5. Step 5: Solve for x
    x = 262,041,717,568.05/592,444.10
  6. Step 6: Final answer
    x = 442,306.23

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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.