Home / 705,088.55-1,057,633.10-385,065.39

Finding the Fourth Proportional to 705,088.55, 1,057,633.10 and 385,065.39

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Solution

The fourth proportional to 705,088.55, 1,057,633.10 and 385,065.39 is: 577,598.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,088.55 : 1,057,633.10 = 385,065.39 : x
  2. Step 2: Convert to fraction form
    705,088.55/1,057,633.10 = 385,065.39/x
  3. Step 3: Cross multiply
    705,088.55x = 1,057,633.10 × 385,065.39
  4. Step 4: Simplify right side
    705,088.55x = 407,257,905,613.20
  5. Step 5: Solve for x
    x = 407,257,905,613.20/705,088.55
  6. Step 6: Final answer
    x = 577,598.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.