Home / 1,008,398.09-1,511,681.61-503,113.61

Finding the Fourth Proportional to 1,008,398.09, 1,511,681.61 and 503,113.61

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Solution

The fourth proportional to 1,008,398.09, 1,511,681.61 and 503,113.61 is: 754,213.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,398.09 : 1,511,681.61 = 503,113.61 : x
  2. Step 2: Convert to fraction form
    1,008,398.09/1,511,681.61 = 503,113.61/x
  3. Step 3: Cross multiply
    1,008,398.09x = 1,511,681.61 × 503,113.61
  4. Step 4: Simplify right side
    1,008,398.09x = 760,547,591,977.71
  5. Step 5: Solve for x
    x = 760,547,591,977.71/1,008,398.09
  6. Step 6: Final answer
    x = 754,213.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.