Home / 939,130.11-1,406,806.04-711,814.52

Finding the Fourth Proportional to 939,130.11, 1,406,806.04 and 711,814.52

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Solution

The fourth proportional to 939,130.11, 1,406,806.04 and 711,814.52 is: 1,066,289.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,130.11 : 1,406,806.04 = 711,814.52 : x
  2. Step 2: Convert to fraction form
    939,130.11/1,406,806.04 = 711,814.52/x
  3. Step 3: Cross multiply
    939,130.11x = 1,406,806.04 × 711,814.52
  4. Step 4: Simplify right side
    939,130.11x = 1,001,384,966,095.70
  5. Step 5: Solve for x
    x = 1,001,384,966,095.70/939,130.11
  6. Step 6: Final answer
    x = 1,066,289.92

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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.