Home / 853,815.60-1,178,220.06-471,819.60

Finding the Fourth Proportional to 853,815.60, 1,178,220.06 and 471,819.60

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Solution

The fourth proportional to 853,815.60, 1,178,220.06 and 471,819.60 is: 651,085.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,815.60 : 1,178,220.06 = 471,819.60 : x
  2. Step 2: Convert to fraction form
    853,815.60/1,178,220.06 = 471,819.60/x
  3. Step 3: Cross multiply
    853,815.60x = 1,178,220.06 × 471,819.60
  4. Step 4: Simplify right side
    853,815.60x = 555,907,317,421.18
  5. Step 5: Solve for x
    x = 555,907,317,421.18/853,815.60
  6. Step 6: Final answer
    x = 651,085.92

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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.