Home / 1,230,188.04-1,697,660.55-686,323.94

Finding the Fourth Proportional to 1,230,188.04, 1,697,660.55 and 686,323.94

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Solution

The fourth proportional to 1,230,188.04, 1,697,660.55 and 686,323.94 is: 947,127.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,188.04 : 1,697,660.55 = 686,323.94 : x
  2. Step 2: Convert to fraction form
    1,230,188.04/1,697,660.55 = 686,323.94/x
  3. Step 3: Cross multiply
    1,230,188.04x = 1,697,660.55 × 686,323.94
  4. Step 4: Simplify right side
    1,230,188.04x = 1,165,145,070,686.07
  5. Step 5: Solve for x
    x = 1,165,145,070,686.07/1,230,188.04
  6. Step 6: Final answer
    x = 947,127.62

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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.