Home / 992,635.51-1,488,227.35-318,332.98

Finding the Fourth Proportional to 992,635.51, 1,488,227.35 and 318,332.98

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Solution

The fourth proportional to 992,635.51, 1,488,227.35 and 318,332.98 is: 477,266.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,635.51 : 1,488,227.35 = 318,332.98 : x
  2. Step 2: Convert to fraction form
    992,635.51/1,488,227.35 = 318,332.98/x
  3. Step 3: Cross multiply
    992,635.51x = 1,488,227.35 × 318,332.98
  4. Step 4: Simplify right side
    992,635.51x = 473,751,847,243.00
  5. Step 5: Solve for x
    x = 473,751,847,243.00/992,635.51
  6. Step 6: Final answer
    x = 477,266.67

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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.