Home / 921,410.10-1,382,115.15-522,829.35

Finding the Fourth Proportional to 921,410.10, 1,382,115.15 and 522,829.35

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Solution

The fourth proportional to 921,410.10, 1,382,115.15 and 522,829.35 is: 784,244.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,410.10 : 1,382,115.15 = 522,829.35 : x
  2. Step 2: Convert to fraction form
    921,410.10/1,382,115.15 = 522,829.35/x
  3. Step 3: Cross multiply
    921,410.10x = 1,382,115.15 × 522,829.35
  4. Step 4: Simplify right side
    921,410.10x = 722,610,365,499.65
  5. Step 5: Solve for x
    x = 722,610,365,499.65/921,410.10
  6. Step 6: Final answer
    x = 784,244.03

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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.