Home / 579,191.16-864,825.09-518,829.96

Finding the Fourth Proportional to 579,191.16, 864,825.09 and 518,829.96

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Solution

The fourth proportional to 579,191.16, 864,825.09 and 518,829.96 is: 774,696.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,191.16 : 864,825.09 = 518,829.96 : x
  2. Step 2: Convert to fraction form
    579,191.16/864,825.09 = 518,829.96/x
  3. Step 3: Cross multiply
    579,191.16x = 864,825.09 × 518,829.96
  4. Step 4: Simplify right side
    579,191.16x = 448,697,166,851.70
  5. Step 5: Solve for x
    x = 448,697,166,851.70/579,191.16
  6. Step 6: Final answer
    x = 774,696.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.