Home / 1,505,360.10-2,077,398.90-817,031.92

Finding the Fourth Proportional to 1,505,360.10, 2,077,398.90 and 817,031.92

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Solution

The fourth proportional to 1,505,360.10, 2,077,398.90 and 817,031.92 is: 1,127,505.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,360.10 : 2,077,398.90 = 817,031.92 : x
  2. Step 2: Convert to fraction form
    1,505,360.10/2,077,398.90 = 817,031.92/x
  3. Step 3: Cross multiply
    1,505,360.10x = 2,077,398.90 × 817,031.92
  4. Step 4: Simplify right side
    1,505,360.10x = 1,697,301,211,872.89
  5. Step 5: Solve for x
    x = 1,697,301,211,872.89/1,505,360.10
  6. Step 6: Final answer
    x = 1,127,505.11

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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.