Home / 1,209,060.80-1,817,527.80-856,516.40

Finding the Fourth Proportional to 1,209,060.80, 1,817,527.80 and 856,516.40

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Solution

The fourth proportional to 1,209,060.80, 1,817,527.80 and 856,516.40 is: 1,287,563.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,060.80 : 1,817,527.80 = 856,516.40 : x
  2. Step 2: Convert to fraction form
    1,209,060.80/1,817,527.80 = 856,516.40/x
  3. Step 3: Cross multiply
    1,209,060.80x = 1,817,527.80 × 856,516.40
  4. Step 4: Simplify right side
    1,209,060.80x = 1,556,742,368,155.92
  5. Step 5: Solve for x
    x = 1,556,742,368,155.92/1,209,060.80
  6. Step 6: Final answer
    x = 1,287,563.35

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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.