Home / 526,870.62-727,075.17-285,147.45

Finding the Fourth Proportional to 526,870.62, 727,075.17 and 285,147.45

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Solution

The fourth proportional to 526,870.62, 727,075.17 and 285,147.45 is: 393,500.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,870.62 : 727,075.17 = 285,147.45 : x
  2. Step 2: Convert to fraction form
    526,870.62/727,075.17 = 285,147.45/x
  3. Step 3: Cross multiply
    526,870.62x = 727,075.17 × 285,147.45
  4. Step 4: Simplify right side
    526,870.62x = 207,323,630,683.82
  5. Step 5: Solve for x
    x = 207,323,630,683.82/526,870.62
  6. Step 6: Final answer
    x = 393,500.08

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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.