Home / 1,155,036.24-1,593,904.08-638,756.64

Finding the Fourth Proportional to 1,155,036.24, 1,593,904.08 and 638,756.64

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Solution

The fourth proportional to 1,155,036.24, 1,593,904.08 and 638,756.64 is: 881,458.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,036.24 : 1,593,904.08 = 638,756.64 : x
  2. Step 2: Convert to fraction form
    1,155,036.24/1,593,904.08 = 638,756.64/x
  3. Step 3: Cross multiply
    1,155,036.24x = 1,593,904.08 × 638,756.64
  4. Step 4: Simplify right side
    1,155,036.24x = 1,018,116,814,623.09
  5. Step 5: Solve for x
    x = 1,018,116,814,623.09/1,155,036.24
  6. Step 6: Final answer
    x = 881,458.76

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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.