Home / 1,143,394.60-1,577,981.54-634,261

Finding the Fourth Proportional to 1,143,394.60, 1,577,981.54 and 634,261

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Solution

The fourth proportional to 1,143,394.60, 1,577,981.54 and 634,261 is: 875,333.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,394.60 : 1,577,981.54 = 634,261 : x
  2. Step 2: Convert to fraction form
    1,143,394.60/1,577,981.54 = 634,261/x
  3. Step 3: Cross multiply
    1,143,394.60x = 1,577,981.54 × 634,261
  4. Step 4: Simplify right side
    1,143,394.60x = 1,000,852,149,541.94
  5. Step 5: Solve for x
    x = 1,000,852,149,541.94/1,143,394.60
  6. Step 6: Final answer
    x = 875,333.98

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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.