Home / 1,161,666.60-1,742,586.30-413,615.40

Finding the Fourth Proportional to 1,161,666.60, 1,742,586.30 and 413,615.40

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Solution

The fourth proportional to 1,161,666.60, 1,742,586.30 and 413,615.40 is: 620,453.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,666.60 : 1,742,586.30 = 413,615.40 : x
  2. Step 2: Convert to fraction form
    1,161,666.60/1,742,586.30 = 413,615.40/x
  3. Step 3: Cross multiply
    1,161,666.60x = 1,742,586.30 × 413,615.40
  4. Step 4: Simplify right side
    1,161,666.60x = 720,760,529,509.02
  5. Step 5: Solve for x
    x = 720,760,529,509.02/1,161,666.60
  6. Step 6: Final answer
    x = 620,453.86

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1.5x scale

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.