Home / 1,201,411.92-1,657,933.56-657,545.52

Finding the Fourth Proportional to 1,201,411.92, 1,657,933.56 and 657,545.52

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Solution

The fourth proportional to 1,201,411.92, 1,657,933.56 and 657,545.52 is: 907,404.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,411.92 : 1,657,933.56 = 657,545.52 : x
  2. Step 2: Convert to fraction form
    1,201,411.92/1,657,933.56 = 657,545.52/x
  3. Step 3: Cross multiply
    1,201,411.92x = 1,657,933.56 × 657,545.52
  4. Step 4: Simplify right side
    1,201,411.92x = 1,090,166,784,835.65
  5. Step 5: Solve for x
    x = 1,090,166,784,835.65/1,201,411.92
  6. Step 6: Final answer
    x = 907,404.67

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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.