Home / 1,128,190.52-1,556,876.22-618,888.44

Finding the Fourth Proportional to 1,128,190.52, 1,556,876.22 and 618,888.44

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Solution

The fourth proportional to 1,128,190.52, 1,556,876.22 and 618,888.44 is: 854,051.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,190.52 : 1,556,876.22 = 618,888.44 : x
  2. Step 2: Convert to fraction form
    1,128,190.52/1,556,876.22 = 618,888.44/x
  3. Step 3: Cross multiply
    1,128,190.52x = 1,556,876.22 × 618,888.44
  4. Step 4: Simplify right side
    1,128,190.52x = 963,532,695,068.90
  5. Step 5: Solve for x
    x = 963,532,695,068.90/1,128,190.52
  6. Step 6: Final answer
    x = 854,051.40

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Double scale
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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.