Home / 757,312.88-1,045,090.36-413,148.82

Finding the Fourth Proportional to 757,312.88, 1,045,090.36 and 413,148.82

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Solution

The fourth proportional to 757,312.88, 1,045,090.36 and 413,148.82 is: 570,144.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,312.88 : 1,045,090.36 = 413,148.82 : x
  2. Step 2: Convert to fraction form
    757,312.88/1,045,090.36 = 413,148.82/x
  3. Step 3: Cross multiply
    757,312.88x = 1,045,090.36 × 413,148.82
  4. Step 4: Simplify right side
    757,312.88x = 431,777,849,027.38
  5. Step 5: Solve for x
    x = 431,777,849,027.38/757,312.88
  6. Step 6: Final answer
    x = 570,144.60

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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.