Home / 966,721.40-1,450,082.10-742,513.40

Finding the Fourth Proportional to 966,721.40, 1,450,082.10 and 742,513.40

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Solution

The fourth proportional to 966,721.40, 1,450,082.10 and 742,513.40 is: 1,113,770.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,721.40 : 1,450,082.10 = 742,513.40 : x
  2. Step 2: Convert to fraction form
    966,721.40/1,450,082.10 = 742,513.40/x
  3. Step 3: Cross multiply
    966,721.40x = 1,450,082.10 × 742,513.40
  4. Step 4: Simplify right side
    966,721.40x = 1,076,705,390,350.14
  5. Step 5: Solve for x
    x = 1,076,705,390,350.14/966,721.40
  6. Step 6: Final answer
    x = 1,113,770.10

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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.