Home / 592,308.16-817,385.34-320,376.13

Finding the Fourth Proportional to 592,308.16, 817,385.34 and 320,376.13

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Solution

The fourth proportional to 592,308.16, 817,385.34 and 320,376.13 is: 442,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,308.16 : 817,385.34 = 320,376.13 : x
  2. Step 2: Convert to fraction form
    592,308.16/817,385.34 = 320,376.13/x
  3. Step 3: Cross multiply
    592,308.16x = 817,385.34 × 320,376.13
  4. Step 4: Simplify right side
    592,308.16x = 261,870,751,947.93
  5. Step 5: Solve for x
    x = 261,870,751,947.93/592,308.16
  6. Step 6: Final answer
    x = 442,119.10

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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.