Home / 1,675,633.80-2,312,305.57-911,690.40

Finding the Fourth Proportional to 1,675,633.80, 2,312,305.57 and 911,690.40

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Solution

The fourth proportional to 1,675,633.80, 2,312,305.57 and 911,690.40 is: 1,258,095.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675,633.80 : 2,312,305.57 = 911,690.40 : x
  2. Step 2: Convert to fraction form
    1,675,633.80/2,312,305.57 = 911,690.40/x
  3. Step 3: Cross multiply
    1,675,633.80x = 2,312,305.57 × 911,690.40
  4. Step 4: Simplify right side
    1,675,633.80x = 2,108,106,785,477.08
  5. Step 5: Solve for x
    x = 2,108,106,785,477.08/1,675,633.80
  6. Step 6: Final answer
    x = 1,258,095.17

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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.