Home / 685,819.41-946,444.80-410,461.93

Finding the Fourth Proportional to 685,819.41, 946,444.80 and 410,461.93

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Solution

The fourth proportional to 685,819.41, 946,444.80 and 410,461.93 is: 566,445.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,819.41 : 946,444.80 = 410,461.93 : x
  2. Step 2: Convert to fraction form
    685,819.41/946,444.80 = 410,461.93/x
  3. Step 3: Cross multiply
    685,819.41x = 946,444.80 × 410,461.93
  4. Step 4: Simplify right side
    685,819.41x = 388,479,561,968.75
  5. Step 5: Solve for x
    x = 388,479,561,968.75/685,819.41
  6. Step 6: Final answer
    x = 566,445.86

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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.