Home / 830,074.60-1,245,111.90-604,376.20

Finding the Fourth Proportional to 830,074.60, 1,245,111.90 and 604,376.20

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Solution

The fourth proportional to 830,074.60, 1,245,111.90 and 604,376.20 is: 906,564.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,074.60 : 1,245,111.90 = 604,376.20 : x
  2. Step 2: Convert to fraction form
    830,074.60/1,245,111.90 = 604,376.20/x
  3. Step 3: Cross multiply
    830,074.60x = 1,245,111.90 × 604,376.20
  4. Step 4: Simplify right side
    830,074.60x = 752,515,998,696.78
  5. Step 5: Solve for x
    x = 752,515,998,696.78/830,074.60
  6. Step 6: Final answer
    x = 906,564.30

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.