Home / 1,224,894.32-1,690,373.81-673,631.81

Finding the Fourth Proportional to 1,224,894.32, 1,690,373.81 and 673,631.81

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Solution

The fourth proportional to 1,224,894.32, 1,690,373.81 and 673,631.81 is: 929,622.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,894.32 : 1,690,373.81 = 673,631.81 : x
  2. Step 2: Convert to fraction form
    1,224,894.32/1,690,373.81 = 673,631.81/x
  3. Step 3: Cross multiply
    1,224,894.32x = 1,690,373.81 × 673,631.81
  4. Step 4: Simplify right side
    1,224,894.32x = 1,138,689,557,386.87
  5. Step 5: Solve for x
    x = 1,138,689,557,386.87/1,224,894.32
  6. Step 6: Final answer
    x = 929,622.70

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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.