Home / 1,457,913.39-2,011,921.34-813,333.58

Finding the Fourth Proportional to 1,457,913.39, 2,011,921.34 and 813,333.58

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Solution

The fourth proportional to 1,457,913.39, 2,011,921.34 and 813,333.58 is: 1,122,400.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,913.39 : 2,011,921.34 = 813,333.58 : x
  2. Step 2: Convert to fraction form
    1,457,913.39/2,011,921.34 = 813,333.58/x
  3. Step 3: Cross multiply
    1,457,913.39x = 2,011,921.34 × 813,333.58
  4. Step 4: Simplify right side
    1,457,913.39x = 1,636,363,186,140.60
  5. Step 5: Solve for x
    x = 1,636,363,186,140.60/1,457,913.39
  6. Step 6: Final answer
    x = 1,122,400.82

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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.