Home / 690,742.01-953,253.39-384,818.22

Finding the Fourth Proportional to 690,742.01, 953,253.39 and 384,818.22

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Solution

The fourth proportional to 690,742.01, 953,253.39 and 384,818.22 is: 531,065.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,742.01 : 953,253.39 = 384,818.22 : x
  2. Step 2: Convert to fraction form
    690,742.01/953,253.39 = 384,818.22/x
  3. Step 3: Cross multiply
    690,742.01x = 953,253.39 × 384,818.22
  4. Step 4: Simplify right side
    690,742.01x = 366,829,274,191.83
  5. Step 5: Solve for x
    x = 366,829,274,191.83/690,742.01
  6. Step 6: Final answer
    x = 531,065.53

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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.