Home / 698,364.02-1,048,279.03-618,910.31

Finding the Fourth Proportional to 698,364.02, 1,048,279.03 and 618,910.31

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Solution

The fourth proportional to 698,364.02, 1,048,279.03 and 618,910.31 is: 929,015.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,364.02 : 1,048,279.03 = 618,910.31 : x
  2. Step 2: Convert to fraction form
    698,364.02/1,048,279.03 = 618,910.31/x
  3. Step 3: Cross multiply
    698,364.02x = 1,048,279.03 × 618,910.31
  4. Step 4: Simplify right side
    698,364.02x = 648,790,700,497.22
  5. Step 5: Solve for x
    x = 648,790,700,497.22/698,364.02
  6. Step 6: Final answer
    x = 929,015.07

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1.5x scale

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.