Home / 879,977.65-1,214,193.51-535,582.90

Finding the Fourth Proportional to 879,977.65, 1,214,193.51 and 535,582.90

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Solution

The fourth proportional to 879,977.65, 1,214,193.51 and 535,582.90 is: 738,997.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,977.65 : 1,214,193.51 = 535,582.90 : x
  2. Step 2: Convert to fraction form
    879,977.65/1,214,193.51 = 535,582.90/x
  3. Step 3: Cross multiply
    879,977.65x = 1,214,193.51 × 535,582.90
  4. Step 4: Simplify right side
    879,977.65x = 650,301,281,246.98
  5. Step 5: Solve for x
    x = 650,301,281,246.98/879,977.65
  6. Step 6: Final answer
    x = 738,997.50

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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.