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Finding the Fourth Proportional to 833,097.80, 1,249,646.70 and 800,438.60

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Solution

The fourth proportional to 833,097.80, 1,249,646.70 and 800,438.60 is: 1,200,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,097.80 : 1,249,646.70 = 800,438.60 : x
  2. Step 2: Convert to fraction form
    833,097.80/1,249,646.70 = 800,438.60/x
  3. Step 3: Cross multiply
    833,097.80x = 1,249,646.70 × 800,438.60
  4. Step 4: Simplify right side
    833,097.80x = 1,000,265,455,042.62
  5. Step 5: Solve for x
    x = 1,000,265,455,042.62/833,097.80
  6. Step 6: Final answer
    x = 1,200,657.90

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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.