Home / 614,440.29-847,580.31-384,598.55

Finding the Fourth Proportional to 614,440.29, 847,580.31 and 384,598.55

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Solution

The fourth proportional to 614,440.29, 847,580.31 and 384,598.55 is: 530,528.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,440.29 : 847,580.31 = 384,598.55 : x
  2. Step 2: Convert to fraction form
    614,440.29/847,580.31 = 384,598.55/x
  3. Step 3: Cross multiply
    614,440.29x = 847,580.31 × 384,598.55
  4. Step 4: Simplify right side
    614,440.29x = 325,978,153,996.65
  5. Step 5: Solve for x
    x = 325,978,153,996.65/614,440.29
  6. Step 6: Final answer
    x = 530,528.61

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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.