Home / 1,230,189.04-1,697,661.93-686,324.94

Finding the Fourth Proportional to 1,230,189.04, 1,697,661.93 and 686,324.94

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Solution

The fourth proportional to 1,230,189.04, 1,697,661.93 and 686,324.94 is: 947,129.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,189.04 : 1,697,661.93 = 686,324.94 : x
  2. Step 2: Convert to fraction form
    1,230,189.04/1,697,661.93 = 686,324.94/x
  3. Step 3: Cross multiply
    1,230,189.04x = 1,697,661.93 × 686,324.94
  4. Step 4: Simplify right side
    1,230,189.04x = 1,165,147,722,247.53
  5. Step 5: Solve for x
    x = 1,165,147,722,247.53/1,230,189.04
  6. Step 6: Final answer
    x = 947,129.01

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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.