Home / 1,042,403.04-1,438,518.96-565,475.04

Finding the Fourth Proportional to 1,042,403.04, 1,438,518.96 and 565,475.04

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Solution

The fourth proportional to 1,042,403.04, 1,438,518.96 and 565,475.04 is: 780,357.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,403.04 : 1,438,518.96 = 565,475.04 : x
  2. Step 2: Convert to fraction form
    1,042,403.04/1,438,518.96 = 565,475.04/x
  3. Step 3: Cross multiply
    1,042,403.04x = 1,438,518.96 × 565,475.04
  4. Step 4: Simplify right side
    1,042,403.04x = 813,446,566,446.76
  5. Step 5: Solve for x
    x = 813,446,566,446.76/1,042,403.04
  6. Step 6: Final answer
    x = 780,357.06

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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.