Home / 745,544.88-1,117,384.08-587,147.76

Finding the Fourth Proportional to 745,544.88, 1,117,384.08 and 587,147.76

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Solution

The fourth proportional to 745,544.88, 1,117,384.08 and 587,147.76 is: 879,986.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,544.88 : 1,117,384.08 = 587,147.76 : x
  2. Step 2: Convert to fraction form
    745,544.88/1,117,384.08 = 587,147.76/x
  3. Step 3: Cross multiply
    745,544.88x = 1,117,384.08 × 587,147.76
  4. Step 4: Simplify right side
    745,544.88x = 656,069,559,631.66
  5. Step 5: Solve for x
    x = 656,069,559,631.66/745,544.88
  6. Step 6: Final answer
    x = 879,986.67

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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.