Home / 941,770.90-1,299,646.65-512,052.70

Finding the Fourth Proportional to 941,770.90, 1,299,646.65 and 512,052.70

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Solution

The fourth proportional to 941,770.90, 1,299,646.65 and 512,052.70 is: 706,634.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,770.90 : 1,299,646.65 = 512,052.70 : x
  2. Step 2: Convert to fraction form
    941,770.90/1,299,646.65 = 512,052.70/x
  3. Step 3: Cross multiply
    941,770.90x = 1,299,646.65 × 512,052.70
  4. Step 4: Simplify right side
    941,770.90x = 665,487,576,178.46
  5. Step 5: Solve for x
    x = 665,487,576,178.46/941,770.90
  6. Step 6: Final answer
    x = 706,634.25

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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.