Home / 530,199.83-731,653.80-288,483.32

Finding the Fourth Proportional to 530,199.83, 731,653.80 and 288,483.32

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Solution

The fourth proportional to 530,199.83, 731,653.80 and 288,483.32 is: 398,095.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,199.83 : 731,653.80 = 288,483.32 : x
  2. Step 2: Convert to fraction form
    530,199.83/731,653.80 = 288,483.32/x
  3. Step 3: Cross multiply
    530,199.83x = 731,653.80 × 288,483.32
  4. Step 4: Simplify right side
    530,199.83x = 211,069,917,314.62
  5. Step 5: Solve for x
    x = 211,069,917,314.62/530,199.83
  6. Step 6: Final answer
    x = 398,095.03

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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.