Home / 1,298,901.84-1,791,323.52-815,511.84

Finding the Fourth Proportional to 1,298,901.84, 1,791,323.52 and 815,511.84

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Solution

The fourth proportional to 1,298,901.84, 1,791,323.52 and 815,511.84 is: 1,124,677.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,901.84 : 1,791,323.52 = 815,511.84 : x
  2. Step 2: Convert to fraction form
    1,298,901.84/1,791,323.52 = 815,511.84/x
  3. Step 3: Cross multiply
    1,298,901.84x = 1,791,323.52 × 815,511.84
  4. Step 4: Simplify right side
    1,298,901.84x = 1,460,845,539,830.48
  5. Step 5: Solve for x
    x = 1,460,845,539,830.48/1,298,901.84
  6. Step 6: Final answer
    x = 1,124,677.40

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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.