Home / 1,457,400.51-2,011,216.26-812,862.45

Finding the Fourth Proportional to 1,457,400.51, 2,011,216.26 and 812,862.45

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Solution

The fourth proportional to 1,457,400.51, 2,011,216.26 and 812,862.45 is: 1,121,752.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,400.51 : 2,011,216.26 = 812,862.45 : x
  2. Step 2: Convert to fraction form
    1,457,400.51/2,011,216.26 = 812,862.45/x
  3. Step 3: Cross multiply
    1,457,400.51x = 2,011,216.26 × 812,862.45
  4. Step 4: Simplify right side
    1,457,400.51x = 1,634,842,176,583.44
  5. Step 5: Solve for x
    x = 1,634,842,176,583.44/1,457,400.51
  6. Step 6: Final answer
    x = 1,121,752.16

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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.