Home / 1,129,585.41-1,558,838.67-620,298.45

Finding the Fourth Proportional to 1,129,585.41, 1,558,838.67 and 620,298.45

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Solution

The fourth proportional to 1,129,585.41, 1,558,838.67 and 620,298.45 is: 856,017.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,585.41 : 1,558,838.67 = 620,298.45 : x
  2. Step 2: Convert to fraction form
    1,129,585.41/1,558,838.67 = 620,298.45/x
  3. Step 3: Cross multiply
    1,129,585.41x = 1,558,838.67 × 620,298.45
  4. Step 4: Simplify right side
    1,129,585.41x = 966,945,210,801.06
  5. Step 5: Solve for x
    x = 966,945,210,801.06/1,129,585.41
  6. Step 6: Final answer
    x = 856,017.79

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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.