Home / 867,510.90-1,301,266.35-335,049.30

Finding the Fourth Proportional to 867,510.90, 1,301,266.35 and 335,049.30

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Solution

The fourth proportional to 867,510.90, 1,301,266.35 and 335,049.30 is: 502,573.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,510.90 : 1,301,266.35 = 335,049.30 : x
  2. Step 2: Convert to fraction form
    867,510.90/1,301,266.35 = 335,049.30/x
  3. Step 3: Cross multiply
    867,510.90x = 1,301,266.35 × 335,049.30
  4. Step 4: Simplify right side
    867,510.90x = 435,988,379,681.06
  5. Step 5: Solve for x
    x = 435,988,379,681.06/867,510.90
  6. Step 6: Final answer
    x = 502,573.95

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.