Home / 864,000.16-1,296,578.82-358,561.60

Finding the Fourth Proportional to 864,000.16, 1,296,578.82 and 358,561.60

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Solution

The fourth proportional to 864,000.16, 1,296,578.82 and 358,561.60 is: 538,082.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,000.16 : 1,296,578.82 = 358,561.60 : x
  2. Step 2: Convert to fraction form
    864,000.16/1,296,578.82 = 358,561.60/x
  3. Step 3: Cross multiply
    864,000.16x = 1,296,578.82 × 358,561.60
  4. Step 4: Simplify right side
    864,000.16x = 464,903,376,225.31
  5. Step 5: Solve for x
    x = 464,903,376,225.31/864,000.16
  6. Step 6: Final answer
    x = 538,082.51

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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.