Home / 740,254.50-1,110,390.84-260,496.63

Finding the Fourth Proportional to 740,254.50, 1,110,390.84 and 260,496.63

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Solution

The fourth proportional to 740,254.50, 1,110,390.84 and 260,496.63 is: 390,748.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,254.50 : 1,110,390.84 = 260,496.63 : x
  2. Step 2: Convert to fraction form
    740,254.50/1,110,390.84 = 260,496.63/x
  3. Step 3: Cross multiply
    740,254.50x = 1,110,390.84 × 260,496.63
  4. Step 4: Simplify right side
    740,254.50x = 289,253,071,802.87
  5. Step 5: Solve for x
    x = 289,253,071,802.87/740,254.50
  6. Step 6: Final answer
    x = 390,748.14

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1.5x scale

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.