Home / 1,681,554.52-2,320,594.50-917,657.32

Finding the Fourth Proportional to 1,681,554.52, 2,320,594.50 and 917,657.32

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Solution

The fourth proportional to 1,681,554.52, 2,320,594.50 and 917,657.32 is: 1,266,393.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,554.52 : 2,320,594.50 = 917,657.32 : x
  2. Step 2: Convert to fraction form
    1,681,554.52/2,320,594.50 = 917,657.32/x
  3. Step 3: Cross multiply
    1,681,554.52x = 2,320,594.50 × 917,657.32
  4. Step 4: Simplify right side
    1,681,554.52x = 2,129,510,529,676.74
  5. Step 5: Solve for x
    x = 2,129,510,529,676.74/1,681,554.52
  6. Step 6: Final answer
    x = 1,266,393.99

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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.