Home / 1,690,937.28-2,333,484.86-916,565.00

Finding the Fourth Proportional to 1,690,937.28, 2,333,484.86 and 916,565.00

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Solution

The fourth proportional to 1,690,937.28, 2,333,484.86 and 916,565.00 is: 1,264,855.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,937.28 : 2,333,484.86 = 916,565.00 : x
  2. Step 2: Convert to fraction form
    1,690,937.28/2,333,484.86 = 916,565.00/x
  3. Step 3: Cross multiply
    1,690,937.28x = 2,333,484.86 × 916,565.00
  4. Step 4: Simplify right side
    1,690,937.28x = 2,138,790,534,455.65
  5. Step 5: Solve for x
    x = 2,138,790,534,455.65/1,690,937.28
  6. Step 6: Final answer
    x = 1,264,855.04

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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.