Home / 910,578.04-1,256,599.54-502,680.40

Finding the Fourth Proportional to 910,578.04, 1,256,599.54 and 502,680.40

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Solution

The fourth proportional to 910,578.04, 1,256,599.54 and 502,680.40 is: 693,699.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,578.04 : 1,256,599.54 = 502,680.40 : x
  2. Step 2: Convert to fraction form
    910,578.04/1,256,599.54 = 502,680.40/x
  3. Step 3: Cross multiply
    910,578.04x = 1,256,599.54 × 502,680.40
  4. Step 4: Simplify right side
    910,578.04x = 631,667,959,407.02
  5. Step 5: Solve for x
    x = 631,667,959,407.02/910,578.04
  6. Step 6: Final answer
    x = 693,699.97

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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.