Home / 1,066,709.88-1,600,066.32-435,623.68

Finding the Fourth Proportional to 1,066,709.88, 1,600,066.32 and 435,623.68

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Solution

The fourth proportional to 1,066,709.88, 1,600,066.32 and 435,623.68 is: 653,436.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,709.88 : 1,600,066.32 = 435,623.68 : x
  2. Step 2: Convert to fraction form
    1,066,709.88/1,600,066.32 = 435,623.68/x
  3. Step 3: Cross multiply
    1,066,709.88x = 1,600,066.32 × 435,623.68
  4. Step 4: Simplify right side
    1,066,709.88x = 697,026,778,562.46
  5. Step 5: Solve for x
    x = 697,026,778,562.46/1,066,709.88
  6. Step 6: Final answer
    x = 653,436.13

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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.