Home / 986,938.04-1,361,975.10-557,219

Finding the Fourth Proportional to 986,938.04, 1,361,975.10 and 557,219

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Solution

The fourth proportional to 986,938.04, 1,361,975.10 and 557,219 is: 768,962.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,938.04 : 1,361,975.10 = 557,219 : x
  2. Step 2: Convert to fraction form
    986,938.04/1,361,975.10 = 557,219/x
  3. Step 3: Cross multiply
    986,938.04x = 1,361,975.10 × 557,219
  4. Step 4: Simplify right side
    986,938.04x = 758,918,403,246.90
  5. Step 5: Solve for x
    x = 758,918,403,246.90/986,938.04
  6. Step 6: Final answer
    x = 768,962.56

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Double scale
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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.