Home / 1,349,473.02-1,861,535.70-865,499.64

Finding the Fourth Proportional to 1,349,473.02, 1,861,535.70 and 865,499.64

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Solution

The fourth proportional to 1,349,473.02, 1,861,535.70 and 865,499.64 is: 1,193,916.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,473.02 : 1,861,535.70 = 865,499.64 : x
  2. Step 2: Convert to fraction form
    1,349,473.02/1,861,535.70 = 865,499.64/x
  3. Step 3: Cross multiply
    1,349,473.02x = 1,861,535.70 × 865,499.64
  4. Step 4: Simplify right side
    1,349,473.02x = 1,611,158,478,197.15
  5. Step 5: Solve for x
    x = 1,611,158,478,197.15/1,349,473.02
  6. Step 6: Final answer
    x = 1,193,916.78

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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.