Home / 931,569.40-1,397,354.10-774,105.40

Finding the Fourth Proportional to 931,569.40, 1,397,354.10 and 774,105.40

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Solution

The fourth proportional to 931,569.40, 1,397,354.10 and 774,105.40 is: 1,161,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,569.40 : 1,397,354.10 = 774,105.40 : x
  2. Step 2: Convert to fraction form
    931,569.40/1,397,354.10 = 774,105.40/x
  3. Step 3: Cross multiply
    931,569.40x = 1,397,354.10 × 774,105.40
  4. Step 4: Simplify right side
    931,569.40x = 1,081,699,354,522.14
  5. Step 5: Solve for x
    x = 1,081,699,354,522.14/931,569.40
  6. Step 6: Final answer
    x = 1,161,158.10

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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.