Home / 524,531.34-783,810.97-393,848.20

Finding the Fourth Proportional to 524,531.34, 783,810.97 and 393,848.20

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Solution

The fourth proportional to 524,531.34, 783,810.97 and 393,848.20 is: 588,530.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,531.34 : 783,810.97 = 393,848.20 : x
  2. Step 2: Convert to fraction form
    524,531.34/783,810.97 = 393,848.20/x
  3. Step 3: Cross multiply
    524,531.34x = 783,810.97 × 393,848.20
  4. Step 4: Simplify right side
    524,531.34x = 308,702,539,674.75
  5. Step 5: Solve for x
    x = 308,702,539,674.75/524,531.34
  6. Step 6: Final answer
    x = 588,530.21

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Half scale
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Double scale
Find fourth proportional to 524,532.34, 783,812.46 and 393,849.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.