Home / 1,154,693.54-1,593,412.48-638,417.36

Finding the Fourth Proportional to 1,154,693.54, 1,593,412.48 and 638,417.36

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Solution

The fourth proportional to 1,154,693.54, 1,593,412.48 and 638,417.36 is: 880,980.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,693.54 : 1,593,412.48 = 638,417.36 : x
  2. Step 2: Convert to fraction form
    1,154,693.54/1,593,412.48 = 638,417.36/x
  3. Step 3: Cross multiply
    1,154,693.54x = 1,593,412.48 × 638,417.36
  4. Step 4: Simplify right side
    1,154,693.54x = 1,017,262,188,872.65
  5. Step 5: Solve for x
    x = 1,017,262,188,872.65/1,154,693.54
  6. Step 6: Final answer
    x = 880,980.24

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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.