Home / 1,457,529.16-2,011,393-812,991.10

Finding the Fourth Proportional to 1,457,529.16, 2,011,393 and 812,991.10

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Solution

The fourth proportional to 1,457,529.16, 2,011,393 and 812,991.10 is: 1,121,929.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,529.16 : 2,011,393 = 812,991.10 : x
  2. Step 2: Convert to fraction form
    1,457,529.16/2,011,393 = 812,991.10/x
  3. Step 3: Cross multiply
    1,457,529.16x = 2,011,393 × 812,991.10
  4. Step 4: Simplify right side
    1,457,529.16x = 1,635,244,607,602.30
  5. Step 5: Solve for x
    x = 1,635,244,607,602.30/1,457,529.16
  6. Step 6: Final answer
    x = 1,121,929.26

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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.