Home / 830,352.36-1,146,072.78-543,705.96

Finding the Fourth Proportional to 830,352.36, 1,146,072.78 and 543,705.96

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Solution

The fourth proportional to 830,352.36, 1,146,072.78 and 543,705.96 is: 750,436.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,352.36 : 1,146,072.78 = 543,705.96 : x
  2. Step 2: Convert to fraction form
    830,352.36/1,146,072.78 = 543,705.96/x
  3. Step 3: Cross multiply
    830,352.36x = 1,146,072.78 × 543,705.96
  4. Step 4: Simplify right side
    830,352.36x = 623,126,601,079.77
  5. Step 5: Solve for x
    x = 623,126,601,079.77/830,352.36
  6. Step 6: Final answer
    x = 750,436.36

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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.