Home / 819,514.80-1,130,847.66-456,904.62

Finding the Fourth Proportional to 819,514.80, 1,130,847.66 and 456,904.62

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Solution

The fourth proportional to 819,514.80, 1,130,847.66 and 456,904.62 is: 630,482.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,514.80 : 1,130,847.66 = 456,904.62 : x
  2. Step 2: Convert to fraction form
    819,514.80/1,130,847.66 = 456,904.62/x
  3. Step 3: Cross multiply
    819,514.80x = 1,130,847.66 × 456,904.62
  4. Step 4: Simplify right side
    819,514.80x = 516,689,520,370.19
  5. Step 5: Solve for x
    x = 516,689,520,370.19/819,514.80
  6. Step 6: Final answer
    x = 630,482.23

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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.