Home / 1,232,000.07-1,700,142.17-688,143.62

Finding the Fourth Proportional to 1,232,000.07, 1,700,142.17 and 688,143.62

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Solution

The fourth proportional to 1,232,000.07, 1,700,142.17 and 688,143.62 is: 949,628.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,000.07 : 1,700,142.17 = 688,143.62 : x
  2. Step 2: Convert to fraction form
    1,232,000.07/1,700,142.17 = 688,143.62/x
  3. Step 3: Cross multiply
    1,232,000.07x = 1,700,142.17 × 688,143.62
  4. Step 4: Simplify right side
    1,232,000.07x = 1,169,941,975,437.03
  5. Step 5: Solve for x
    x = 1,169,941,975,437.03/1,232,000.07
  6. Step 6: Final answer
    x = 949,628.17

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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.