Home / 1,457,260.46-2,011,015.47-812,681.34

Finding the Fourth Proportional to 1,457,260.46, 2,011,015.47 and 812,681.34

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Solution

The fourth proportional to 1,457,260.46, 2,011,015.47 and 812,681.34 is: 1,121,498.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,260.46 : 2,011,015.47 = 812,681.34 : x
  2. Step 2: Convert to fraction form
    1,457,260.46/2,011,015.47 = 812,681.34/x
  3. Step 3: Cross multiply
    1,457,260.46x = 2,011,015.47 × 812,681.34
  4. Step 4: Simplify right side
    1,457,260.46x = 1,634,314,746,920.33
  5. Step 5: Solve for x
    x = 1,634,314,746,920.33/1,457,260.46
  6. Step 6: Final answer
    x = 1,121,498.04

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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.