Home / 1,006,708.93-1,389,258.55-553,999.93

Finding the Fourth Proportional to 1,006,708.93, 1,389,258.55 and 553,999.93

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Solution

The fourth proportional to 1,006,708.93, 1,389,258.55 and 553,999.93 is: 764,520.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,708.93 : 1,389,258.55 = 553,999.93 : x
  2. Step 2: Convert to fraction form
    1,006,708.93/1,389,258.55 = 553,999.93/x
  3. Step 3: Cross multiply
    1,006,708.93x = 1,389,258.55 × 553,999.93
  4. Step 4: Simplify right side
    1,006,708.93x = 769,649,142,925.05
  5. Step 5: Solve for x
    x = 769,649,142,925.05/1,006,708.93
  6. Step 6: Final answer
    x = 764,520.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.