Home / 1,457,712.04-2,011,645.84-813,174

Finding the Fourth Proportional to 1,457,712.04, 2,011,645.84 and 813,174

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Solution

The fourth proportional to 1,457,712.04, 2,011,645.84 and 813,174 is: 1,122,181.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,712.04 : 2,011,645.84 = 813,174 : x
  2. Step 2: Convert to fraction form
    1,457,712.04/2,011,645.84 = 813,174/x
  3. Step 3: Cross multiply
    1,457,712.04x = 2,011,645.84 × 813,174
  4. Step 4: Simplify right side
    1,457,712.04x = 1,635,818,094,296.16
  5. Step 5: Solve for x
    x = 1,635,818,094,296.16/1,457,712.04
  6. Step 6: Final answer
    x = 1,122,181.92

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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.