Home / 384,619.19-530,773.16-212,532.36

Finding the Fourth Proportional to 384,619.19, 530,773.16 and 212,532.36

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Solution

The fourth proportional to 384,619.19, 530,773.16 and 212,532.36 is: 293,293.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,619.19 : 530,773.16 = 212,532.36 : x
  2. Step 2: Convert to fraction form
    384,619.19/530,773.16 = 212,532.36/x
  3. Step 3: Cross multiply
    384,619.19x = 530,773.16 × 212,532.36
  4. Step 4: Simplify right side
    384,619.19x = 112,806,472,319.46
  5. Step 5: Solve for x
    x = 112,806,472,319.46/384,619.19
  6. Step 6: Final answer
    x = 293,293.93

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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.