Home / 885,168.32-1,221,526.70-503,195.12

Finding the Fourth Proportional to 885,168.32, 1,221,526.70 and 503,195.12

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Solution

The fourth proportional to 885,168.32, 1,221,526.70 and 503,195.12 is: 694,406.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,168.32 : 1,221,526.70 = 503,195.12 : x
  2. Step 2: Convert to fraction form
    885,168.32/1,221,526.70 = 503,195.12/x
  3. Step 3: Cross multiply
    885,168.32x = 1,221,526.70 × 503,195.12
  4. Step 4: Simplify right side
    885,168.32x = 614,666,274,389.70
  5. Step 5: Solve for x
    x = 614,666,274,389.70/885,168.32
  6. Step 6: Final answer
    x = 694,406.09

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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.