Home / 407,227.59-607,534.76-385,182.63

Finding the Fourth Proportional to 407,227.59, 607,534.76 and 385,182.63

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Solution

The fourth proportional to 407,227.59, 607,534.76 and 385,182.63 is: 574,646.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,227.59 : 607,534.76 = 385,182.63 : x
  2. Step 2: Convert to fraction form
    407,227.59/607,534.76 = 385,182.63/x
  3. Step 3: Cross multiply
    407,227.59x = 607,534.76 × 385,182.63
  4. Step 4: Simplify right side
    407,227.59x = 234,011,834,747.31
  5. Step 5: Solve for x
    x = 234,011,834,747.31/407,227.59
  6. Step 6: Final answer
    x = 574,646.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.