Home / 803,187.45-1,108,407.15-440,612.01

Finding the Fourth Proportional to 803,187.45, 1,108,407.15 and 440,612.01

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Solution

The fourth proportional to 803,187.45, 1,108,407.15 and 440,612.01 is: 608,049.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,187.45 : 1,108,407.15 = 440,612.01 : x
  2. Step 2: Convert to fraction form
    803,187.45/1,108,407.15 = 440,612.01/x
  3. Step 3: Cross multiply
    803,187.45x = 1,108,407.15 × 440,612.01
  4. Step 4: Simplify right side
    803,187.45x = 488,377,502,259.87
  5. Step 5: Solve for x
    x = 488,377,502,259.87/803,187.45
  6. Step 6: Final answer
    x = 608,049.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.