Home / 772,200.84-1,157,021.10-546,442.68

Finding the Fourth Proportional to 772,200.84, 1,157,021.10 and 546,442.68

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Solution

The fourth proportional to 772,200.84, 1,157,021.10 and 546,442.68 is: 818,758.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,200.84 : 1,157,021.10 = 546,442.68 : x
  2. Step 2: Convert to fraction form
    772,200.84/1,157,021.10 = 546,442.68/x
  3. Step 3: Cross multiply
    772,200.84x = 1,157,021.10 × 546,442.68
  4. Step 4: Simplify right side
    772,200.84x = 632,245,710,700.55
  5. Step 5: Solve for x
    x = 632,245,710,700.55/772,200.84
  6. Step 6: Final answer
    x = 818,758.12

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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.