Home / 922,985.84-1,273,784.40-515,167.25

Finding the Fourth Proportional to 922,985.84, 1,273,784.40 and 515,167.25

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Solution

The fourth proportional to 922,985.84, 1,273,784.40 and 515,167.25 is: 710,966.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,985.84 : 1,273,784.40 = 515,167.25 : x
  2. Step 2: Convert to fraction form
    922,985.84/1,273,784.40 = 515,167.25/x
  3. Step 3: Cross multiply
    922,985.84x = 1,273,784.40 × 515,167.25
  4. Step 4: Simplify right side
    922,985.84x = 656,212,000,071.98
  5. Step 5: Solve for x
    x = 656,212,000,071.98/922,985.84
  6. Step 6: Final answer
    x = 710,966.48

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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.