Home / 954,570.40-1,317,281.88-518,974

Finding the Fourth Proportional to 954,570.40, 1,317,281.88 and 518,974

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Solution

The fourth proportional to 954,570.40, 1,317,281.88 and 518,974 is: 716,170.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,570.40 : 1,317,281.88 = 518,974 : x
  2. Step 2: Convert to fraction form
    954,570.40/1,317,281.88 = 518,974/x
  3. Step 3: Cross multiply
    954,570.40x = 1,317,281.88 × 518,974
  4. Step 4: Simplify right side
    954,570.40x = 683,635,046,391.12
  5. Step 5: Solve for x
    x = 683,635,046,391.12/954,570.40
  6. Step 6: Final answer
    x = 716,170.38

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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.