Home / 676,121.04-1,014,393.78-406,559.52

Finding the Fourth Proportional to 676,121.04, 1,014,393.78 and 406,559.52

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Solution

The fourth proportional to 676,121.04, 1,014,393.78 and 406,559.52 is: 609,966.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,121.04 : 1,014,393.78 = 406,559.52 : x
  2. Step 2: Convert to fraction form
    676,121.04/1,014,393.78 = 406,559.52/x
  3. Step 3: Cross multiply
    676,121.04x = 1,014,393.78 × 406,559.52
  4. Step 4: Simplify right side
    676,121.04x = 412,411,448,287.79
  5. Step 5: Solve for x
    x = 412,411,448,287.79/676,121.04
  6. Step 6: Final answer
    x = 609,966.89

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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.