Home / 937,876.12-1,406,526.86-338,763.40

Finding the Fourth Proportional to 937,876.12, 1,406,526.86 and 338,763.40

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Solution

The fourth proportional to 937,876.12, 1,406,526.86 and 338,763.40 is: 508,041.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,876.12 : 1,406,526.86 = 338,763.40 : x
  2. Step 2: Convert to fraction form
    937,876.12/1,406,526.86 = 338,763.40/x
  3. Step 3: Cross multiply
    937,876.12x = 1,406,526.86 × 338,763.40
  4. Step 4: Simplify right side
    937,876.12x = 476,479,821,284.92
  5. Step 5: Solve for x
    x = 476,479,821,284.92/937,876.12
  6. Step 6: Final answer
    x = 508,041.32

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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.