Home / 711,491.61-1,065,527.33-406,962.54

Finding the Fourth Proportional to 711,491.61, 1,065,527.33 and 406,962.54

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Solution

The fourth proportional to 711,491.61, 1,065,527.33 and 406,962.54 is: 609,465.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,491.61 : 1,065,527.33 = 406,962.54 : x
  2. Step 2: Convert to fraction form
    711,491.61/1,065,527.33 = 406,962.54/x
  3. Step 3: Cross multiply
    711,491.61x = 1,065,527.33 × 406,962.54
  4. Step 4: Simplify right side
    711,491.61x = 433,629,709,673.63
  5. Step 5: Solve for x
    x = 433,629,709,673.63/711,491.61
  6. Step 6: Final answer
    x = 609,465.67

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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.