Home / 545,543.16-753,194.23-402,053.28

Finding the Fourth Proportional to 545,543.16, 753,194.23 and 402,053.28

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Solution

The fourth proportional to 545,543.16, 753,194.23 and 402,053.28 is: 555,087.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,543.16 : 753,194.23 = 402,053.28 : x
  2. Step 2: Convert to fraction form
    545,543.16/753,194.23 = 402,053.28/x
  3. Step 3: Cross multiply
    545,543.16x = 753,194.23 × 402,053.28
  4. Step 4: Simplify right side
    545,543.16x = 302,824,206,818.96
  5. Step 5: Solve for x
    x = 302,824,206,818.96/545,543.16
  6. Step 6: Final answer
    x = 555,087.54

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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.