Home / 592,574.49-817,746.87-320,636.43

Finding the Fourth Proportional to 592,574.49, 817,746.87 and 320,636.43

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Solution

The fourth proportional to 592,574.49, 817,746.87 and 320,636.43 is: 442,475.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,574.49 : 817,746.87 = 320,636.43 : x
  2. Step 2: Convert to fraction form
    592,574.49/817,746.87 = 320,636.43/x
  3. Step 3: Cross multiply
    592,574.49x = 817,746.87 × 320,636.43
  4. Step 4: Simplify right side
    592,574.49x = 262,199,437,040.47
  5. Step 5: Solve for x
    x = 262,199,437,040.47/592,574.49
  6. Step 6: Final answer
    x = 442,475.07

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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.