Home / 1,230,190.02-1,697,663.29-686,325.92

Finding the Fourth Proportional to 1,230,190.02, 1,697,663.29 and 686,325.92

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Solution

The fourth proportional to 1,230,190.02, 1,697,663.29 and 686,325.92 is: 947,130.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,190.02 : 1,697,663.29 = 686,325.92 : x
  2. Step 2: Convert to fraction form
    1,230,190.02/1,697,663.29 = 686,325.92/x
  3. Step 3: Cross multiply
    1,230,190.02x = 1,697,663.29 × 686,325.92
  4. Step 4: Simplify right side
    1,230,190.02x = 1,165,150,309,155.35
  5. Step 5: Solve for x
    x = 1,165,150,309,155.35/1,230,190.02
  6. Step 6: Final answer
    x = 947,130.35

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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.