Home / 876,069.93-1,209,235.05-513,572.25

Finding the Fourth Proportional to 876,069.93, 1,209,235.05 and 513,572.25

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Solution

The fourth proportional to 876,069.93, 1,209,235.05 and 513,572.25 is: 708,881.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,069.93 : 1,209,235.05 = 513,572.25 : x
  2. Step 2: Convert to fraction form
    876,069.93/1,209,235.05 = 513,572.25/x
  3. Step 3: Cross multiply
    876,069.93x = 1,209,235.05 × 513,572.25
  4. Step 4: Simplify right side
    876,069.93x = 621,029,564,584.47
  5. Step 5: Solve for x
    x = 621,029,564,584.47/876,069.93
  6. Step 6: Final answer
    x = 708,881.27

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Double scale
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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.