Home / 843,431.40-1,163,938.14-461,457

Finding the Fourth Proportional to 843,431.40, 1,163,938.14 and 461,457

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Solution

The fourth proportional to 843,431.40, 1,163,938.14 and 461,457 is: 636,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,431.40 : 1,163,938.14 = 461,457 : x
  2. Step 2: Convert to fraction form
    843,431.40/1,163,938.14 = 461,457/x
  3. Step 3: Cross multiply
    843,431.40x = 1,163,938.14 × 461,457
  4. Step 4: Simplify right side
    843,431.40x = 537,107,402,269.98
  5. Step 5: Solve for x
    x = 537,107,402,269.98/843,431.40
  6. Step 6: Final answer
    x = 636,812.20

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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.