Home / 1,143,656.28-1,578,205.35-634,406.04

Finding the Fourth Proportional to 1,143,656.28, 1,578,205.35 and 634,406.04

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Solution

The fourth proportional to 1,143,656.28, 1,578,205.35 and 634,406.04 is: 875,457.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,656.28 : 1,578,205.35 = 634,406.04 : x
  2. Step 2: Convert to fraction form
    1,143,656.28/1,578,205.35 = 634,406.04/x
  3. Step 3: Cross multiply
    1,143,656.28x = 1,578,205.35 × 634,406.04
  4. Step 4: Simplify right side
    1,143,656.28x = 1,001,223,006,400.31
  5. Step 5: Solve for x
    x = 1,001,223,006,400.31/1,143,656.28
  6. Step 6: Final answer
    x = 875,457.97

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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.