Home / 931,266.70-1,284,859.23-543,802.62

Finding the Fourth Proportional to 931,266.70, 1,284,859.23 and 543,802.62

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Solution

The fourth proportional to 931,266.70, 1,284,859.23 and 543,802.62 is: 750,278.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,266.70 : 1,284,859.23 = 543,802.62 : x
  2. Step 2: Convert to fraction form
    931,266.70/1,284,859.23 = 543,802.62/x
  3. Step 3: Cross multiply
    931,266.70x = 1,284,859.23 × 543,802.62
  4. Step 4: Simplify right side
    931,266.70x = 698,709,811,486.69
  5. Step 5: Solve for x
    x = 698,709,811,486.69/931,266.70
  6. Step 6: Final answer
    x = 750,278.96

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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.