Home / 899,681.34-1,241,586.63-491,805.66

Finding the Fourth Proportional to 899,681.34, 1,241,586.63 and 491,805.66

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Solution

The fourth proportional to 899,681.34, 1,241,586.63 and 491,805.66 is: 678,706.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,681.34 : 1,241,586.63 = 491,805.66 : x
  2. Step 2: Convert to fraction form
    899,681.34/1,241,586.63 = 491,805.66/x
  3. Step 3: Cross multiply
    899,681.34x = 1,241,586.63 × 491,805.66
  4. Step 4: Simplify right side
    899,681.34x = 610,619,332,014.33
  5. Step 5: Solve for x
    x = 610,619,332,014.33/899,681.34
  6. Step 6: Final answer
    x = 678,706.23

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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.