Home / 1,121,572.78-1,547,770.02-612,275.14

Finding the Fourth Proportional to 1,121,572.78, 1,547,770.02 and 612,275.14

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Solution

The fourth proportional to 1,121,572.78, 1,547,770.02 and 612,275.14 is: 844,939.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,572.78 : 1,547,770.02 = 612,275.14 : x
  2. Step 2: Convert to fraction form
    1,121,572.78/1,547,770.02 = 612,275.14/x
  3. Step 3: Cross multiply
    1,121,572.78x = 1,547,770.02 × 612,275.14
  4. Step 4: Simplify right side
    1,121,572.78x = 947,661,105,683.30
  5. Step 5: Solve for x
    x = 947,661,105,683.30/1,121,572.78
  6. Step 6: Final answer
    x = 844,939.47

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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.