Home / 704,080.60-1,056,120.90-626,666.20

Finding the Fourth Proportional to 704,080.60, 1,056,120.90 and 626,666.20

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Solution

The fourth proportional to 704,080.60, 1,056,120.90 and 626,666.20 is: 939,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,080.60 : 1,056,120.90 = 626,666.20 : x
  2. Step 2: Convert to fraction form
    704,080.60/1,056,120.90 = 626,666.20/x
  3. Step 3: Cross multiply
    704,080.60x = 1,056,120.90 × 626,666.20
  4. Step 4: Simplify right side
    704,080.60x = 661,835,271,143.58
  5. Step 5: Solve for x
    x = 661,835,271,143.58/704,080.60
  6. Step 6: Final answer
    x = 939,999.30

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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.