Home / 833,200.80-1,249,801.20-780,712.80

Finding the Fourth Proportional to 833,200.80, 1,249,801.20 and 780,712.80

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Solution

The fourth proportional to 833,200.80, 1,249,801.20 and 780,712.80 is: 1,171,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,200.80 : 1,249,801.20 = 780,712.80 : x
  2. Step 2: Convert to fraction form
    833,200.80/1,249,801.20 = 780,712.80/x
  3. Step 3: Cross multiply
    833,200.80x = 1,249,801.20 × 780,712.80
  4. Step 4: Simplify right side
    833,200.80x = 975,735,794,295.36
  5. Step 5: Solve for x
    x = 975,735,794,295.36/833,200.80
  6. Step 6: Final answer
    x = 1,171,069.20

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Double scale
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Similar ratio
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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.