Home / 583,849.16-805,574.46-354,400.82

Finding the Fourth Proportional to 583,849.16, 805,574.46 and 354,400.82

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Solution

The fourth proportional to 583,849.16, 805,574.46 and 354,400.82 is: 488,989.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,849.16 : 805,574.46 = 354,400.82 : x
  2. Step 2: Convert to fraction form
    583,849.16/805,574.46 = 354,400.82/x
  3. Step 3: Cross multiply
    583,849.16x = 805,574.46 × 354,400.82
  4. Step 4: Simplify right side
    583,849.16x = 285,496,249,517.09
  5. Step 5: Solve for x
    x = 285,496,249,517.09/583,849.16
  6. Step 6: Final answer
    x = 488,989.74

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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.