Home / 430,787.22-594,670.14-306,688.20

Finding the Fourth Proportional to 430,787.22, 594,670.14 and 306,688.20

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Solution

The fourth proportional to 430,787.22, 594,670.14 and 306,688.20 is: 423,360.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,787.22 : 594,670.14 = 306,688.20 : x
  2. Step 2: Convert to fraction form
    430,787.22/594,670.14 = 306,688.20/x
  3. Step 3: Cross multiply
    430,787.22x = 594,670.14 × 306,688.20
  4. Step 4: Simplify right side
    430,787.22x = 182,378,314,830.35
  5. Step 5: Solve for x
    x = 182,378,314,830.35/430,787.22
  6. Step 6: Final answer
    x = 423,360.55

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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.