Home / 530,721.01-731,914.98-349,365.86

Finding the Fourth Proportional to 530,721.01, 731,914.98 and 349,365.86

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Solution

The fourth proportional to 530,721.01, 731,914.98 and 349,365.86 is: 481,808.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,721.01 : 731,914.98 = 349,365.86 : x
  2. Step 2: Convert to fraction form
    530,721.01/731,914.98 = 349,365.86/x
  3. Step 3: Cross multiply
    530,721.01x = 731,914.98 × 349,365.86
  4. Step 4: Simplify right side
    530,721.01x = 255,706,106,434.58
  5. Step 5: Solve for x
    x = 255,706,106,434.58/530,721.01
  6. Step 6: Final answer
    x = 481,808.90

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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.