Home / 905,895.90-1,357,203.60-717,595.20

Finding the Fourth Proportional to 905,895.90, 1,357,203.60 and 717,595.20

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Solution

The fourth proportional to 905,895.90, 1,357,203.60 and 717,595.20 is: 1,075,093.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,895.90 : 1,357,203.60 = 717,595.20 : x
  2. Step 2: Convert to fraction form
    905,895.90/1,357,203.60 = 717,595.20/x
  3. Step 3: Cross multiply
    905,895.90x = 1,357,203.60 × 717,595.20
  4. Step 4: Simplify right side
    905,895.90x = 973,922,788,782.72
  5. Step 5: Solve for x
    x = 973,922,788,782.72/905,895.90
  6. Step 6: Final answer
    x = 1,075,093.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.