Home / 538,176.84-742,742.37-296,484.18

Finding the Fourth Proportional to 538,176.84, 742,742.37 and 296,484.18

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Solution

The fourth proportional to 538,176.84, 742,742.37 and 296,484.18 is: 409,180.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,176.84 : 742,742.37 = 296,484.18 : x
  2. Step 2: Convert to fraction form
    538,176.84/742,742.37 = 296,484.18/x
  3. Step 3: Cross multiply
    538,176.84x = 742,742.37 × 296,484.18
  4. Step 4: Simplify right side
    538,176.84x = 220,211,362,520.71
  5. Step 5: Solve for x
    x = 220,211,362,520.71/538,176.84
  6. Step 6: Final answer
    x = 409,180.30

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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.