Home / 1,200,646.70-1,656,931.97-656,770.06

Finding the Fourth Proportional to 1,200,646.70, 1,656,931.97 and 656,770.06

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Solution

The fourth proportional to 1,200,646.70, 1,656,931.97 and 656,770.06 is: 906,364.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,646.70 : 1,656,931.97 = 656,770.06 : x
  2. Step 2: Convert to fraction form
    1,200,646.70/1,656,931.97 = 656,770.06/x
  3. Step 3: Cross multiply
    1,200,646.70x = 1,656,931.97 × 656,770.06
  4. Step 4: Simplify right side
    1,200,646.70x = 1,088,223,309,352.82
  5. Step 5: Solve for x
    x = 1,088,223,309,352.82/1,200,646.70
  6. Step 6: Final answer
    x = 906,364.30

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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.