Home / 742,777.76-1,114,953.84-462,492.32

Finding the Fourth Proportional to 742,777.76, 1,114,953.84 and 462,492.32

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Solution

The fourth proportional to 742,777.76, 1,114,953.84 and 462,492.32 is: 694,228.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,777.76 : 1,114,953.84 = 462,492.32 : x
  2. Step 2: Convert to fraction form
    742,777.76/1,114,953.84 = 462,492.32/x
  3. Step 3: Cross multiply
    742,777.76x = 1,114,953.84 × 462,492.32
  4. Step 4: Simplify right side
    742,777.76x = 515,657,588,154.51
  5. Step 5: Solve for x
    x = 515,657,588,154.51/742,777.76
  6. Step 6: Final answer
    x = 694,228.63

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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.