Home / 697,629.60-1,046,444.40-650,390.40

Finding the Fourth Proportional to 697,629.60, 1,046,444.40 and 650,390.40

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Solution

The fourth proportional to 697,629.60, 1,046,444.40 and 650,390.40 is: 975,585.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,629.60 : 1,046,444.40 = 650,390.40 : x
  2. Step 2: Convert to fraction form
    697,629.60/1,046,444.40 = 650,390.40/x
  3. Step 3: Cross multiply
    697,629.60x = 1,046,444.40 × 650,390.40
  4. Step 4: Simplify right side
    697,629.60x = 680,597,391,893.76
  5. Step 5: Solve for x
    x = 680,597,391,893.76/697,629.60
  6. Step 6: Final answer
    x = 975,585.60

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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.