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Finding the Fourth Proportional to 720,053.80, 1,080,080.70 and 604,580.20

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Solution

The fourth proportional to 720,053.80, 1,080,080.70 and 604,580.20 is: 906,870.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,053.80 : 1,080,080.70 = 604,580.20 : x
  2. Step 2: Convert to fraction form
    720,053.80/1,080,080.70 = 604,580.20/x
  3. Step 3: Cross multiply
    720,053.80x = 1,080,080.70 × 604,580.20
  4. Step 4: Simplify right side
    720,053.80x = 652,995,405,622.14
  5. Step 5: Solve for x
    x = 652,995,405,622.14/720,053.80
  6. Step 6: Final answer
    x = 906,870.30

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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.