Home / 713,086.20-1,069,629.30-601,111.80

Finding the Fourth Proportional to 713,086.20, 1,069,629.30 and 601,111.80

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Solution

The fourth proportional to 713,086.20, 1,069,629.30 and 601,111.80 is: 901,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,086.20 : 1,069,629.30 = 601,111.80 : x
  2. Step 2: Convert to fraction form
    713,086.20/1,069,629.30 = 601,111.80/x
  3. Step 3: Cross multiply
    713,086.20x = 1,069,629.30 × 601,111.80
  4. Step 4: Simplify right side
    713,086.20x = 642,966,793,855.74
  5. Step 5: Solve for x
    x = 642,966,793,855.74/713,086.20
  6. Step 6: Final answer
    x = 901,667.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.