Home / 1,161,657.60-1,742,572.80-413,606.40

Finding the Fourth Proportional to 1,161,657.60, 1,742,572.80 and 413,606.40

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Solution

The fourth proportional to 1,161,657.60, 1,742,572.80 and 413,606.40 is: 620,440.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,657.60 : 1,742,572.80 = 413,606.40 : x
  2. Step 2: Convert to fraction form
    1,161,657.60/1,742,572.80 = 413,606.40/x
  3. Step 3: Cross multiply
    1,161,657.60x = 1,742,572.80 × 413,606.40
  4. Step 4: Simplify right side
    1,161,657.60x = 720,739,262,545.92
  5. Step 5: Solve for x
    x = 720,739,262,545.92/1,161,657.60
  6. Step 6: Final answer
    x = 620,440.36

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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.