Home / 899,404.15-1,241,180.95-491,506.04

Finding the Fourth Proportional to 899,404.15, 1,241,180.95 and 491,506.04

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Solution

The fourth proportional to 899,404.15, 1,241,180.95 and 491,506.04 is: 678,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,404.15 : 1,241,180.95 = 491,506.04 : x
  2. Step 2: Convert to fraction form
    899,404.15/1,241,180.95 = 491,506.04/x
  3. Step 3: Cross multiply
    899,404.15x = 1,241,180.95 × 491,506.04
  4. Step 4: Simplify right side
    899,404.15x = 610,047,935,532.13
  5. Step 5: Solve for x
    x = 610,047,935,532.13/899,404.15
  6. Step 6: Final answer
    x = 678,280.10

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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.