Home / 1,129,651.74-1,558,929.51-620,357.76

Finding the Fourth Proportional to 1,129,651.74, 1,558,929.51 and 620,357.76

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Solution

The fourth proportional to 1,129,651.74, 1,558,929.51 and 620,357.76 is: 856,099.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,651.74 : 1,558,929.51 = 620,357.76 : x
  2. Step 2: Convert to fraction form
    1,129,651.74/1,558,929.51 = 620,357.76/x
  3. Step 3: Cross multiply
    1,129,651.74x = 1,558,929.51 × 620,357.76
  4. Step 4: Simplify right side
    1,129,651.74x = 967,094,018,821.50
  5. Step 5: Solve for x
    x = 967,094,018,821.50/1,129,651.74
  6. Step 6: Final answer
    x = 856,099.26

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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.