Home / 937,878.12-1,294,192.98-530,015.40

Finding the Fourth Proportional to 937,878.12, 1,294,192.98 and 530,015.40

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Solution

The fourth proportional to 937,878.12, 1,294,192.98 and 530,015.40 is: 731,376.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,878.12 : 1,294,192.98 = 530,015.40 : x
  2. Step 2: Convert to fraction form
    937,878.12/1,294,192.98 = 530,015.40/x
  3. Step 3: Cross multiply
    937,878.12x = 1,294,192.98 × 530,015.40
  4. Step 4: Simplify right side
    937,878.12x = 685,942,209,971.89
  5. Step 5: Solve for x
    x = 685,942,209,971.89/937,878.12
  6. Step 6: Final answer
    x = 731,376.71

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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.