Home / 876,090.20-1,312,061.70-594,080.60

Finding the Fourth Proportional to 876,090.20, 1,312,061.70 and 594,080.60

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Solution

The fourth proportional to 876,090.20, 1,312,061.70 and 594,080.60 is: 889,714.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,090.20 : 1,312,061.70 = 594,080.60 : x
  2. Step 2: Convert to fraction form
    876,090.20/1,312,061.70 = 594,080.60/x
  3. Step 3: Cross multiply
    876,090.20x = 1,312,061.70 × 594,080.60
  4. Step 4: Simplify right side
    876,090.20x = 779,470,401,973.02
  5. Step 5: Solve for x
    x = 779,470,401,973.02/876,090.20
  6. Step 6: Final answer
    x = 889,714.78

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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.