Home / 1,570,927.45-2,167,881.90-891,863.95

Finding the Fourth Proportional to 1,570,927.45, 2,167,881.90 and 891,863.95

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Solution

The fourth proportional to 1,570,927.45, 2,167,881.90 and 891,863.95 is: 1,230,773.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,927.45 : 2,167,881.90 = 891,863.95 : x
  2. Step 2: Convert to fraction form
    1,570,927.45/2,167,881.90 = 891,863.95/x
  3. Step 3: Cross multiply
    1,570,927.45x = 2,167,881.90 × 891,863.95
  4. Step 4: Simplify right side
    1,570,927.45x = 1,933,455,703,628.10
  5. Step 5: Solve for x
    x = 1,933,455,703,628.10/1,570,927.45
  6. Step 6: Final answer
    x = 1,230,773.39

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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.