Home / 717,137.07-1,075,362.50-417,703.05

Finding the Fourth Proportional to 717,137.07, 1,075,362.50 and 417,703.05

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Solution

The fourth proportional to 717,137.07, 1,075,362.50 and 417,703.05 is: 626,354.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,137.07 : 1,075,362.50 = 417,703.05 : x
  2. Step 2: Convert to fraction form
    717,137.07/1,075,362.50 = 417,703.05/x
  3. Step 3: Cross multiply
    717,137.07x = 1,075,362.50 × 417,703.05
  4. Step 4: Simplify right side
    717,137.07x = 449,182,197,149.88
  5. Step 5: Solve for x
    x = 449,182,197,149.88/717,137.07
  6. Step 6: Final answer
    x = 626,354.73

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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.