Home / 697,914.15-963,008.28-436,238.51

Finding the Fourth Proportional to 697,914.15, 963,008.28 and 436,238.51

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Solution

The fourth proportional to 697,914.15, 963,008.28 and 436,238.51 is: 601,938.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,914.15 : 963,008.28 = 436,238.51 : x
  2. Step 2: Convert to fraction form
    697,914.15/963,008.28 = 436,238.51/x
  3. Step 3: Cross multiply
    697,914.15x = 963,008.28 × 436,238.51
  4. Step 4: Simplify right side
    697,914.15x = 420,101,292,369.82
  5. Step 5: Solve for x
    x = 420,101,292,369.82/697,914.15
  6. Step 6: Final answer
    x = 601,938.35

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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.