Home / 749,355.50-1,034,111.40-409,824.56

Finding the Fourth Proportional to 749,355.50, 1,034,111.40 and 409,824.56

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Solution

The fourth proportional to 749,355.50, 1,034,111.40 and 409,824.56 is: 565,558.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,355.50 : 1,034,111.40 = 409,824.56 : x
  2. Step 2: Convert to fraction form
    749,355.50/1,034,111.40 = 409,824.56/x
  3. Step 3: Cross multiply
    749,355.50x = 1,034,111.40 × 409,824.56
  4. Step 4: Simplify right side
    749,355.50x = 423,804,249,495.98
  5. Step 5: Solve for x
    x = 423,804,249,495.98/749,355.50
  6. Step 6: Final answer
    x = 565,558.34

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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.