Home / 712,701.80-1,069,052.70-607,725.80

Finding the Fourth Proportional to 712,701.80, 1,069,052.70 and 607,725.80

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Solution

The fourth proportional to 712,701.80, 1,069,052.70 and 607,725.80 is: 911,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,701.80 : 1,069,052.70 = 607,725.80 : x
  2. Step 2: Convert to fraction form
    712,701.80/1,069,052.70 = 607,725.80/x
  3. Step 3: Cross multiply
    712,701.80x = 1,069,052.70 × 607,725.80
  4. Step 4: Simplify right side
    712,701.80x = 649,690,907,349.66
  5. Step 5: Solve for x
    x = 649,690,907,349.66/712,701.80
  6. Step 6: Final answer
    x = 911,588.70

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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.