Home / 1,048,627.18-1,569,326.54-643,550.50

Finding the Fourth Proportional to 1,048,627.18, 1,569,326.54 and 643,550.50

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Solution

The fourth proportional to 1,048,627.18, 1,569,326.54 and 643,550.50 is: 963,107.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,627.18 : 1,569,326.54 = 643,550.50 : x
  2. Step 2: Convert to fraction form
    1,048,627.18/1,569,326.54 = 643,550.50/x
  3. Step 3: Cross multiply
    1,048,627.18x = 1,569,326.54 × 643,550.50
  4. Step 4: Simplify right side
    1,048,627.18x = 1,009,940,871,633.64
  5. Step 5: Solve for x
    x = 1,009,940,871,633.64/1,048,627.18
  6. Step 6: Final answer
    x = 963,107.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.