Home / 1,155,111-1,594,000.44-638,869.56

Finding the Fourth Proportional to 1,155,111, 1,594,000.44 and 638,869.56

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Solution

The fourth proportional to 1,155,111, 1,594,000.44 and 638,869.56 is: 881,610.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,111 : 1,594,000.44 = 638,869.56 : x
  2. Step 2: Convert to fraction form
    1,155,111/1,594,000.44 = 638,869.56/x
  3. Step 3: Cross multiply
    1,155,111x = 1,594,000.44 × 638,869.56
  4. Step 4: Simplify right side
    1,155,111x = 1,018,358,359,742.61
  5. Step 5: Solve for x
    x = 1,018,358,359,742.61/1,155,111
  6. Step 6: Final answer
    x = 881,610.82

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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.