Home / 811,527.30-1,119,706.47-524,702.25

Finding the Fourth Proportional to 811,527.30, 1,119,706.47 and 524,702.25

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Solution

The fourth proportional to 811,527.30, 1,119,706.47 and 524,702.25 is: 723,959.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,527.30 : 1,119,706.47 = 524,702.25 : x
  2. Step 2: Convert to fraction form
    811,527.30/1,119,706.47 = 524,702.25/x
  3. Step 3: Cross multiply
    811,527.30x = 1,119,706.47 × 524,702.25
  4. Step 4: Simplify right side
    811,527.30x = 587,512,504,148.56
  5. Step 5: Solve for x
    x = 587,512,504,148.56/811,527.30
  6. Step 6: Final answer
    x = 723,959.01

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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.