Home / 1,127,655.28-1,556,088.28-618,346.80

Finding the Fourth Proportional to 1,127,655.28, 1,556,088.28 and 618,346.80

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Solution

The fourth proportional to 1,127,655.28, 1,556,088.28 and 618,346.80 is: 853,276.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,655.28 : 1,556,088.28 = 618,346.80 : x
  2. Step 2: Convert to fraction form
    1,127,655.28/1,556,088.28 = 618,346.80/x
  3. Step 3: Cross multiply
    1,127,655.28x = 1,556,088.28 × 618,346.80
  4. Step 4: Simplify right side
    1,127,655.28x = 962,202,208,455.50
  5. Step 5: Solve for x
    x = 962,202,208,455.50/1,127,655.28
  6. Step 6: Final answer
    x = 853,276.91

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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.