Home / 530,184.63-731,703.40-300,816.53

Finding the Fourth Proportional to 530,184.63, 731,703.40 and 300,816.53

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Solution

The fourth proportional to 530,184.63, 731,703.40 and 300,816.53 is: 415,154.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,184.63 : 731,703.40 = 300,816.53 : x
  2. Step 2: Convert to fraction form
    530,184.63/731,703.40 = 300,816.53/x
  3. Step 3: Cross multiply
    530,184.63x = 731,703.40 × 300,816.53
  4. Step 4: Simplify right side
    530,184.63x = 220,108,473,366.64
  5. Step 5: Solve for x
    x = 220,108,473,366.64/530,184.63
  6. Step 6: Final answer
    x = 415,154.38

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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.