Home / 786,053.68-1,178,239.80-406,592.58

Finding the Fourth Proportional to 786,053.68, 1,178,239.80 and 406,592.58

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Solution

The fourth proportional to 786,053.68, 1,178,239.80 and 406,592.58 is: 609,454.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,053.68 : 1,178,239.80 = 406,592.58 : x
  2. Step 2: Convert to fraction form
    786,053.68/1,178,239.80 = 406,592.58/x
  3. Step 3: Cross multiply
    786,053.68x = 1,178,239.80 × 406,592.58
  4. Step 4: Simplify right side
    786,053.68x = 479,063,560,140.68
  5. Step 5: Solve for x
    x = 479,063,560,140.68/786,053.68
  6. Step 6: Final answer
    x = 609,454.00

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1.5x scale

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.