Home / 698,140.60-1,047,271.01-192,701.66

Finding the Fourth Proportional to 698,140.60, 1,047,271.01 and 192,701.66

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Solution

The fourth proportional to 698,140.60, 1,047,271.01 and 192,701.66 is: 289,069.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,140.60 : 1,047,271.01 = 192,701.66 : x
  2. Step 2: Convert to fraction form
    698,140.60/1,047,271.01 = 192,701.66/x
  3. Step 3: Cross multiply
    698,140.60x = 1,047,271.01 × 192,701.66
  4. Step 4: Simplify right side
    698,140.60x = 201,810,855,897.01
  5. Step 5: Solve for x
    x = 201,810,855,897.01/698,140.60
  6. Step 6: Final answer
    x = 289,069.07

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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.