Home / 1,005,235.35-1,507,005.18-436,188.59

Finding the Fourth Proportional to 1,005,235.35, 1,507,005.18 and 436,188.59

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Solution

The fourth proportional to 1,005,235.35, 1,507,005.18 and 436,188.59 is: 653,914.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,235.35 : 1,507,005.18 = 436,188.59 : x
  2. Step 2: Convert to fraction form
    1,005,235.35/1,507,005.18 = 436,188.59/x
  3. Step 3: Cross multiply
    1,005,235.35x = 1,507,005.18 × 436,188.59
  4. Step 4: Simplify right side
    1,005,235.35x = 657,338,457,051.87
  5. Step 5: Solve for x
    x = 657,338,457,051.87/1,005,235.35
  6. Step 6: Final answer
    x = 653,914.98

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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.