Home / 1,133,117.28-1,563,645.60-623,808.72

Finding the Fourth Proportional to 1,133,117.28, 1,563,645.60 and 623,808.72

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Solution

The fourth proportional to 1,133,117.28, 1,563,645.60 and 623,808.72 is: 860,825.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,117.28 : 1,563,645.60 = 623,808.72 : x
  2. Step 2: Convert to fraction form
    1,133,117.28/1,563,645.60 = 623,808.72/x
  3. Step 3: Cross multiply
    1,133,117.28x = 1,563,645.60 × 623,808.72
  4. Step 4: Simplify right side
    1,133,117.28x = 975,415,760,269.63
  5. Step 5: Solve for x
    x = 975,415,760,269.63/1,133,117.28
  6. Step 6: Final answer
    x = 860,825.07

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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.