Home / 937,875.12-1,294,188.84-530,012.40

Finding the Fourth Proportional to 937,875.12, 1,294,188.84 and 530,012.40

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Solution

The fourth proportional to 937,875.12, 1,294,188.84 and 530,012.40 is: 731,372.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,875.12 : 1,294,188.84 = 530,012.40 : x
  2. Step 2: Convert to fraction form
    937,875.12/1,294,188.84 = 530,012.40/x
  3. Step 3: Cross multiply
    937,875.12x = 1,294,188.84 × 530,012.40
  4. Step 4: Simplify right side
    937,875.12x = 685,936,133,141.62
  5. Step 5: Solve for x
    x = 685,936,133,141.62/937,875.12
  6. Step 6: Final answer
    x = 731,372.57

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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.