Home / 583,821.46-805,731.44-354,360.74

Finding the Fourth Proportional to 583,821.46, 805,731.44 and 354,360.74

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Solution

The fourth proportional to 583,821.46, 805,731.44 and 354,360.74 is: 489,052.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,821.46 : 805,731.44 = 354,360.74 : x
  2. Step 2: Convert to fraction form
    583,821.46/805,731.44 = 354,360.74/x
  3. Step 3: Cross multiply
    583,821.46x = 805,731.44 × 354,360.74
  4. Step 4: Simplify right side
    583,821.46x = 285,519,591,041.36
  5. Step 5: Solve for x
    x = 285,519,591,041.36/583,821.46
  6. Step 6: Final answer
    x = 489,052.92

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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.