Home / 583,971.15-805,935.93-354,475.79

Finding the Fourth Proportional to 583,971.15, 805,935.93 and 354,475.79

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Solution

The fourth proportional to 583,971.15, 805,935.93 and 354,475.79 is: 489,210.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,971.15 : 805,935.93 = 354,475.79 : x
  2. Step 2: Convert to fraction form
    583,971.15/805,935.93 = 354,475.79/x
  3. Step 3: Cross multiply
    583,971.15x = 805,935.93 × 354,475.79
  4. Step 4: Simplify right side
    583,971.15x = 285,684,777,672.82
  5. Step 5: Solve for x
    x = 285,684,777,672.82/583,971.15
  6. Step 6: Final answer
    x = 489,210.43

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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.