Home / 697,048.60-1,043,240.10-487,096.60

Finding the Fourth Proportional to 697,048.60, 1,043,240.10 and 487,096.60

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Solution

The fourth proportional to 697,048.60, 1,043,240.10 and 487,096.60 is: 729,014.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,048.60 : 1,043,240.10 = 487,096.60 : x
  2. Step 2: Convert to fraction form
    697,048.60/1,043,240.10 = 487,096.60/x
  3. Step 3: Cross multiply
    697,048.60x = 1,043,240.10 × 487,096.60
  4. Step 4: Simplify right side
    697,048.60x = 508,158,705,693.66
  5. Step 5: Solve for x
    x = 508,158,705,693.66/697,048.60
  6. Step 6: Final answer
    x = 729,014.74

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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.