Home / 937,526.24-1,406,078.80-431,602.40

Finding the Fourth Proportional to 937,526.24, 1,406,078.80 and 431,602.40

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Solution

The fourth proportional to 937,526.24, 1,406,078.80 and 431,602.40 is: 647,306.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,526.24 : 1,406,078.80 = 431,602.40 : x
  2. Step 2: Convert to fraction form
    937,526.24/1,406,078.80 = 431,602.40/x
  3. Step 3: Cross multiply
    937,526.24x = 1,406,078.80 × 431,602.40
  4. Step 4: Simplify right side
    937,526.24x = 606,866,984,669.12
  5. Step 5: Solve for x
    x = 606,866,984,669.12/937,526.24
  6. Step 6: Final answer
    x = 647,306.67

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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.