Home / 1,315,535.64-1,815,444.54-711,923.64

Finding the Fourth Proportional to 1,315,535.64, 1,815,444.54 and 711,923.64

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Solution

The fourth proportional to 1,315,535.64, 1,815,444.54 and 711,923.64 is: 982,457.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,535.64 : 1,815,444.54 = 711,923.64 : x
  2. Step 2: Convert to fraction form
    1,315,535.64/1,815,444.54 = 711,923.64/x
  3. Step 3: Cross multiply
    1,315,535.64x = 1,815,444.54 × 711,923.64
  4. Step 4: Simplify right side
    1,315,535.64x = 1,292,457,885,134.93
  5. Step 5: Solve for x
    x = 1,292,457,885,134.93/1,315,535.64
  6. Step 6: Final answer
    x = 982,457.52

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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.