Home / 1,457,913.55-2,011,921.55-813,333.74

Finding the Fourth Proportional to 1,457,913.55, 2,011,921.55 and 813,333.74

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Solution

The fourth proportional to 1,457,913.55, 2,011,921.55 and 813,333.74 is: 1,122,401.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,913.55 : 2,011,921.55 = 813,333.74 : x
  2. Step 2: Convert to fraction form
    1,457,913.55/2,011,921.55 = 813,333.74/x
  3. Step 3: Cross multiply
    1,457,913.55x = 2,011,921.55 × 813,333.74
  4. Step 4: Simplify right side
    1,457,913.55x = 1,636,363,686,927.90
  5. Step 5: Solve for x
    x = 1,636,363,686,927.90/1,457,913.55
  6. Step 6: Final answer
    x = 1,122,401.04

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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.