Home / 5,479,938.60-7,688,710.20-5,479,938.60

Finding the Fourth Proportional to 5,479,938.60, 7,688,710.20 and 5,479,938.60

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Solution

The fourth proportional to 5,479,938.60, 7,688,710.20 and 5,479,938.60 is: 7,688,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479,938.60 : 7,688,710.20 = 5,479,938.60 : x
  2. Step 2: Convert to fraction form
    5,479,938.60/7,688,710.20 = 5,479,938.60/x
  3. Step 3: Cross multiply
    5,479,938.60x = 7,688,710.20 × 5,479,938.60
  4. Step 4: Simplify right side
    5,479,938.60x = 42,133,659,809,193.72
  5. Step 5: Solve for x
    x = 42,133,659,809,193.72/5,479,938.60
  6. Step 6: Final answer
    x = 7,688,710.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.