Home / 811,098.88-1,119,323.70-448,547.14

Finding the Fourth Proportional to 811,098.88, 1,119,323.70 and 448,547.14

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Solution

The fourth proportional to 811,098.88, 1,119,323.70 and 448,547.14 is: 618,999.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,098.88 : 1,119,323.70 = 448,547.14 : x
  2. Step 2: Convert to fraction form
    811,098.88/1,119,323.70 = 448,547.14/x
  3. Step 3: Cross multiply
    811,098.88x = 1,119,323.70 × 448,547.14
  4. Step 4: Simplify right side
    811,098.88x = 502,069,444,369.22
  5. Step 5: Solve for x
    x = 502,069,444,369.22/811,098.88
  6. Step 6: Final answer
    x = 618,999.06

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1.5x scale

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.