Home / 1,563,709.51-2,157,902.59-875,387.01

Finding the Fourth Proportional to 1,563,709.51, 2,157,902.59 and 875,387.01

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Solution

The fourth proportional to 1,563,709.51, 2,157,902.59 and 875,387.01 is: 1,208,024.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,709.51 : 2,157,902.59 = 875,387.01 : x
  2. Step 2: Convert to fraction form
    1,563,709.51/2,157,902.59 = 875,387.01/x
  3. Step 3: Cross multiply
    1,563,709.51x = 2,157,902.59 × 875,387.01
  4. Step 4: Simplify right side
    1,563,709.51x = 1,888,999,896,131.36
  5. Step 5: Solve for x
    x = 1,888,999,896,131.36/1,563,709.51
  6. Step 6: Final answer
    x = 1,208,024.82

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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.