Home / 1,127,817.51-1,556,390.25-618,523.53

Finding the Fourth Proportional to 1,127,817.51, 1,556,390.25 and 618,523.53

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Solution

The fourth proportional to 1,127,817.51, 1,556,390.25 and 618,523.53 is: 853,563.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,817.51 : 1,556,390.25 = 618,523.53 : x
  2. Step 2: Convert to fraction form
    1,127,817.51/1,556,390.25 = 618,523.53/x
  3. Step 3: Cross multiply
    1,127,817.51x = 1,556,390.25 × 618,523.53
  4. Step 4: Simplify right side
    1,127,817.51x = 962,663,991,487.58
  5. Step 5: Solve for x
    x = 962,663,991,487.58/1,127,817.51
  6. Step 6: Final answer
    x = 853,563.62

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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.