Home / 1,230,192-1,697,666.02-686,327.90

Finding the Fourth Proportional to 1,230,192, 1,697,666.02 and 686,327.90

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Solution

The fourth proportional to 1,230,192, 1,697,666.02 and 686,327.90 is: 947,133.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,192 : 1,697,666.02 = 686,327.90 : x
  2. Step 2: Convert to fraction form
    1,230,192/1,697,666.02 = 686,327.90/x
  3. Step 3: Cross multiply
    1,230,192x = 1,697,666.02 × 686,327.90
  4. Step 4: Simplify right side
    1,230,192x = 1,165,155,554,407.96
  5. Step 5: Solve for x
    x = 1,165,155,554,407.96/1,230,192
  6. Step 6: Final answer
    x = 947,133.09

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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.