Home / 864,915.45-1,193,576.19-472,448.73

Finding the Fourth Proportional to 864,915.45, 1,193,576.19 and 472,448.73

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Solution

The fourth proportional to 864,915.45, 1,193,576.19 and 472,448.73 is: 651,975.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,915.45 : 1,193,576.19 = 472,448.73 : x
  2. Step 2: Convert to fraction form
    864,915.45/1,193,576.19 = 472,448.73/x
  3. Step 3: Cross multiply
    864,915.45x = 1,193,576.19 × 472,448.73
  4. Step 4: Simplify right side
    864,915.45x = 563,903,555,123.74
  5. Step 5: Solve for x
    x = 563,903,555,123.74/864,915.45
  6. Step 6: Final answer
    x = 651,975.35

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Double scale
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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.