Home / 727,717.04-1,086,458.80-556,040.28

Finding the Fourth Proportional to 727,717.04, 1,086,458.80 and 556,040.28

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Solution

The fourth proportional to 727,717.04, 1,086,458.80 and 556,040.28 is: 830,150.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,717.04 : 1,086,458.80 = 556,040.28 : x
  2. Step 2: Convert to fraction form
    727,717.04/1,086,458.80 = 556,040.28/x
  3. Step 3: Cross multiply
    727,717.04x = 1,086,458.80 × 556,040.28
  4. Step 4: Simplify right side
    727,717.04x = 604,114,855,360.46
  5. Step 5: Solve for x
    x = 604,114,855,360.46/727,717.04
  6. Step 6: Final answer
    x = 830,150.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.