Home / 1,079,725.60-1,619,588.40-725,831.20

Finding the Fourth Proportional to 1,079,725.60, 1,619,588.40 and 725,831.20

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Solution

The fourth proportional to 1,079,725.60, 1,619,588.40 and 725,831.20 is: 1,088,746.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,725.60 : 1,619,588.40 = 725,831.20 : x
  2. Step 2: Convert to fraction form
    1,079,725.60/1,619,588.40 = 725,831.20/x
  3. Step 3: Cross multiply
    1,079,725.60x = 1,619,588.40 × 725,831.20
  4. Step 4: Simplify right side
    1,079,725.60x = 1,175,547,791,878.08
  5. Step 5: Solve for x
    x = 1,175,547,791,878.08/1,079,725.60
  6. Step 6: Final answer
    x = 1,088,746.80

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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.