Home / 697,165.60-1,045,726.80-198,529.60

Finding the Fourth Proportional to 697,165.60, 1,045,726.80 and 198,529.60

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Solution

The fourth proportional to 697,165.60, 1,045,726.80 and 198,529.60 is: 297,788.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,165.60 : 1,045,726.80 = 198,529.60 : x
  2. Step 2: Convert to fraction form
    697,165.60/1,045,726.80 = 198,529.60/x
  3. Step 3: Cross multiply
    697,165.60x = 1,045,726.80 × 198,529.60
  4. Step 4: Simplify right side
    697,165.60x = 207,607,723,313.28
  5. Step 5: Solve for x
    x = 207,607,723,313.28/697,165.60
  6. Step 6: Final answer
    x = 297,788.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.