Home / 730,814.10-1,008,528.93-408,537.30

Finding the Fourth Proportional to 730,814.10, 1,008,528.93 and 408,537.30

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Solution

The fourth proportional to 730,814.10, 1,008,528.93 and 408,537.30 is: 563,784.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,814.10 : 1,008,528.93 = 408,537.30 : x
  2. Step 2: Convert to fraction form
    730,814.10/1,008,528.93 = 408,537.30/x
  3. Step 3: Cross multiply
    730,814.10x = 1,008,528.93 × 408,537.30
  4. Step 4: Simplify right side
    730,814.10x = 412,021,686,034.09
  5. Step 5: Solve for x
    x = 412,021,686,034.09/730,814.10
  6. Step 6: Final answer
    x = 563,784.53

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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.