Home / 1,126,109.73-1,554,051.60-616,779.30

Finding the Fourth Proportional to 1,126,109.73, 1,554,051.60 and 616,779.30

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Solution

The fourth proportional to 1,126,109.73, 1,554,051.60 and 616,779.30 is: 851,166.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,109.73 : 1,554,051.60 = 616,779.30 : x
  2. Step 2: Convert to fraction form
    1,126,109.73/1,554,051.60 = 616,779.30/x
  3. Step 3: Cross multiply
    1,126,109.73x = 1,554,051.60 × 616,779.30
  4. Step 4: Simplify right side
    1,126,109.73x = 958,506,858,011.88
  5. Step 5: Solve for x
    x = 958,506,858,011.88/1,126,109.73
  6. Step 6: Final answer
    x = 851,166.48

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Double scale
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Similar ratio
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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.