Home / 934,972.71-1,290,262.30-505,252.84

Finding the Fourth Proportional to 934,972.71, 1,290,262.30 and 505,252.84

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Solution

The fourth proportional to 934,972.71, 1,290,262.30 and 505,252.84 is: 697,248.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,972.71 : 1,290,262.30 = 505,252.84 : x
  2. Step 2: Convert to fraction form
    934,972.71/1,290,262.30 = 505,252.84/x
  3. Step 3: Cross multiply
    934,972.71x = 1,290,262.30 × 505,252.84
  4. Step 4: Simplify right side
    934,972.71x = 651,908,688,825.84
  5. Step 5: Solve for x
    x = 651,908,688,825.84/934,972.71
  6. Step 6: Final answer
    x = 697,248.89

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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.