Home / 557,528.40-770,021.58-375,927.18

Finding the Fourth Proportional to 557,528.40, 770,021.58 and 375,927.18

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Solution

The fourth proportional to 557,528.40, 770,021.58 and 375,927.18 is: 519,205.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,528.40 : 770,021.58 = 375,927.18 : x
  2. Step 2: Convert to fraction form
    557,528.40/770,021.58 = 375,927.18/x
  3. Step 3: Cross multiply
    557,528.40x = 770,021.58 × 375,927.18
  4. Step 4: Simplify right side
    557,528.40x = 289,472,041,108.54
  5. Step 5: Solve for x
    x = 289,472,041,108.54/557,528.40
  6. Step 6: Final answer
    x = 519,205.91

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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.