Home / 679,588.36-937,811.98-373,664.46

Finding the Fourth Proportional to 679,588.36, 937,811.98 and 373,664.46

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Solution

The fourth proportional to 679,588.36, 937,811.98 and 373,664.46 is: 515,645.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,588.36 : 937,811.98 = 373,664.46 : x
  2. Step 2: Convert to fraction form
    679,588.36/937,811.98 = 373,664.46/x
  3. Step 3: Cross multiply
    679,588.36x = 937,811.98 × 373,664.46
  4. Step 4: Simplify right side
    679,588.36x = 350,427,007,088.23
  5. Step 5: Solve for x
    x = 350,427,007,088.23/679,588.36
  6. Step 6: Final answer
    x = 515,645.98

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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.