Home / 830,294.46-1,145,992.86-543,647.88

Finding the Fourth Proportional to 830,294.46, 1,145,992.86 and 543,647.88

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Solution

The fourth proportional to 830,294.46, 1,145,992.86 and 543,647.88 is: 750,356.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,294.46 : 1,145,992.86 = 543,647.88 : x
  2. Step 2: Convert to fraction form
    830,294.46/1,145,992.86 = 543,647.88/x
  3. Step 3: Cross multiply
    830,294.46x = 1,145,992.86 × 543,647.88
  4. Step 4: Simplify right side
    830,294.46x = 623,016,588,834.14
  5. Step 5: Solve for x
    x = 623,016,588,834.14/830,294.46
  6. Step 6: Final answer
    x = 750,356.19

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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.