Home / 559,127.10-838,100.07-274,421.55

Finding the Fourth Proportional to 559,127.10, 838,100.07 and 274,421.55

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Solution

The fourth proportional to 559,127.10, 838,100.07 and 274,421.55 is: 411,342.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,127.10 : 838,100.07 = 274,421.55 : x
  2. Step 2: Convert to fraction form
    559,127.10/838,100.07 = 274,421.55/x
  3. Step 3: Cross multiply
    559,127.10x = 838,100.07 × 274,421.55
  4. Step 4: Simplify right side
    559,127.10x = 229,992,720,264.51
  5. Step 5: Solve for x
    x = 229,992,720,264.51/559,127.10
  6. Step 6: Final answer
    x = 411,342.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.