Home / 899,673.61-1,241,549.49-491,777.10

Finding the Fourth Proportional to 899,673.61, 1,241,549.49 and 491,777.10

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Solution

The fourth proportional to 899,673.61, 1,241,549.49 and 491,777.10 is: 678,652.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,673.61 : 1,241,549.49 = 491,777.10 : x
  2. Step 2: Convert to fraction form
    899,673.61/1,241,549.49 = 491,777.10/x
  3. Step 3: Cross multiply
    899,673.61x = 1,241,549.49 × 491,777.10
  4. Step 4: Simplify right side
    899,673.61x = 610,565,607,698.68
  5. Step 5: Solve for x
    x = 610,565,607,698.68/899,673.61
  6. Step 6: Final answer
    x = 678,652.35

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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.