Home / 1,193,113.81-1,646,534.28-676,889.47

Finding the Fourth Proportional to 1,193,113.81, 1,646,534.28 and 676,889.47

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Solution

The fourth proportional to 1,193,113.81, 1,646,534.28 and 676,889.47 is: 934,128.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,113.81 : 1,646,534.28 = 676,889.47 : x
  2. Step 2: Convert to fraction form
    1,193,113.81/1,646,534.28 = 676,889.47/x
  3. Step 3: Cross multiply
    1,193,113.81x = 1,646,534.28 × 676,889.47
  4. Step 4: Simplify right side
    1,193,113.81x = 1,114,521,716,126.03
  5. Step 5: Solve for x
    x = 1,114,521,716,126.03/1,193,113.81
  6. Step 6: Final answer
    x = 934,128.59

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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.