Home / 1,143,838.16-1,578,498.12-634,540.53

Finding the Fourth Proportional to 1,143,838.16, 1,578,498.12 and 634,540.53

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Solution

The fourth proportional to 1,143,838.16, 1,578,498.12 and 634,540.53 is: 875,666.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,838.16 : 1,578,498.12 = 634,540.53 : x
  2. Step 2: Convert to fraction form
    1,143,838.16/1,578,498.12 = 634,540.53/x
  3. Step 3: Cross multiply
    1,143,838.16x = 1,578,498.12 × 634,540.53
  4. Step 4: Simplify right side
    1,143,838.16x = 1,001,621,033,668.80
  5. Step 5: Solve for x
    x = 1,001,621,033,668.80/1,143,838.16
  6. Step 6: Final answer
    x = 875,666.74

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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.