Home / 513,137.71-708,099.53-283,681.26

Finding the Fourth Proportional to 513,137.71, 708,099.53 and 283,681.26

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Solution

The fourth proportional to 513,137.71, 708,099.53 and 283,681.26 is: 391,463.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,137.71 : 708,099.53 = 283,681.26 : x
  2. Step 2: Convert to fraction form
    513,137.71/708,099.53 = 283,681.26/x
  3. Step 3: Cross multiply
    513,137.71x = 708,099.53 × 283,681.26
  4. Step 4: Simplify right side
    513,137.71x = 200,874,566,875.81
  5. Step 5: Solve for x
    x = 200,874,566,875.81/513,137.71
  6. Step 6: Final answer
    x = 391,463.27

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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.