Home / 832,540.16-1,148,908.80-450,566.72

Finding the Fourth Proportional to 832,540.16, 1,148,908.80 and 450,566.72

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Solution

The fourth proportional to 832,540.16, 1,148,908.80 and 450,566.72 is: 621,783.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,540.16 : 1,148,908.80 = 450,566.72 : x
  2. Step 2: Convert to fraction form
    832,540.16/1,148,908.80 = 450,566.72/x
  3. Step 3: Cross multiply
    832,540.16x = 1,148,908.80 × 450,566.72
  4. Step 4: Simplify right side
    832,540.16x = 517,660,069,595.14
  5. Step 5: Solve for x
    x = 517,660,069,595.14/832,540.16
  6. Step 6: Final answer
    x = 621,783.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.