Home / 530,192.55-731,643.83-288,476.07

Finding the Fourth Proportional to 530,192.55, 731,643.83 and 288,476.07

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Solution

The fourth proportional to 530,192.55, 731,643.83 and 288,476.07 is: 398,085.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,192.55 : 731,643.83 = 288,476.07 : x
  2. Step 2: Convert to fraction form
    530,192.55/731,643.83 = 288,476.07/x
  3. Step 3: Cross multiply
    530,192.55x = 731,643.83 × 288,476.07
  4. Step 4: Simplify right side
    530,192.55x = 211,061,735,275.77
  5. Step 5: Solve for x
    x = 211,061,735,275.77/530,192.55
  6. Step 6: Final answer
    x = 398,085.06

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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.