Home / 822,975.64-1,234,568.60-317,681.12

Finding the Fourth Proportional to 822,975.64, 1,234,568.60 and 317,681.12

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Solution

The fourth proportional to 822,975.64, 1,234,568.60 and 317,681.12 is: 476,562.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,975.64 : 1,234,568.60 = 317,681.12 : x
  2. Step 2: Convert to fraction form
    822,975.64/1,234,568.60 = 317,681.12/x
  3. Step 3: Cross multiply
    822,975.64x = 1,234,568.60 × 317,681.12
  4. Step 4: Simplify right side
    822,975.64x = 392,199,140,041.11
  5. Step 5: Solve for x
    x = 392,199,140,041.11/822,975.64
  6. Step 6: Final answer
    x = 476,562.27

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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.