Home / 1,057,123.40-1,458,831.30-573,688.64

Finding the Fourth Proportional to 1,057,123.40, 1,458,831.30 and 573,688.64

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Solution

The fourth proportional to 1,057,123.40, 1,458,831.30 and 573,688.64 is: 791,690.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,123.40 : 1,458,831.30 = 573,688.64 : x
  2. Step 2: Convert to fraction form
    1,057,123.40/1,458,831.30 = 573,688.64/x
  3. Step 3: Cross multiply
    1,057,123.40x = 1,458,831.30 × 573,688.64
  4. Step 4: Simplify right side
    1,057,123.40x = 836,914,944,486.43
  5. Step 5: Solve for x
    x = 836,914,944,486.43/1,057,123.40
  6. Step 6: Final answer
    x = 791,690.87

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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.