Home / 723,272.40-1,084,908.60-692,557.20

Finding the Fourth Proportional to 723,272.40, 1,084,908.60 and 692,557.20

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Solution

The fourth proportional to 723,272.40, 1,084,908.60 and 692,557.20 is: 1,038,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,272.40 : 1,084,908.60 = 692,557.20 : x
  2. Step 2: Convert to fraction form
    723,272.40/1,084,908.60 = 692,557.20/x
  3. Step 3: Cross multiply
    723,272.40x = 1,084,908.60 × 692,557.20
  4. Step 4: Simplify right side
    723,272.40x = 751,361,262,271.92
  5. Step 5: Solve for x
    x = 751,361,262,271.92/723,272.40
  6. Step 6: Final answer
    x = 1,038,835.80

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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.