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Finding the Fourth Proportional to 822,114.80, 1,232,005.80 and 607,205.60

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Solution

The fourth proportional to 822,114.80, 1,232,005.80 and 607,205.60 is: 909,946.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,114.80 : 1,232,005.80 = 607,205.60 : x
  2. Step 2: Convert to fraction form
    822,114.80/1,232,005.80 = 607,205.60/x
  3. Step 3: Cross multiply
    822,114.80x = 1,232,005.80 × 607,205.60
  4. Step 4: Simplify right side
    822,114.80x = 748,080,820,992.48
  5. Step 5: Solve for x
    x = 748,080,820,992.48/822,114.80
  6. Step 6: Final answer
    x = 909,946.91

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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.