Home / 724,733.42-1,000,098.51-402,464.06

Finding the Fourth Proportional to 724,733.42, 1,000,098.51 and 402,464.06

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Solution

The fourth proportional to 724,733.42, 1,000,098.51 and 402,464.06 is: 555,381.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,733.42 : 1,000,098.51 = 402,464.06 : x
  2. Step 2: Convert to fraction form
    724,733.42/1,000,098.51 = 402,464.06/x
  3. Step 3: Cross multiply
    724,733.42x = 1,000,098.51 × 402,464.06
  4. Step 4: Simplify right side
    724,733.42x = 402,503,706,734.55
  5. Step 5: Solve for x
    x = 402,503,706,734.55/724,733.42
  6. Step 6: Final answer
    x = 555,381.74

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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.