Home / 992,421.62-1,369,853.73-562,987.22

Finding the Fourth Proportional to 992,421.62, 1,369,853.73 and 562,987.22

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Solution

The fourth proportional to 992,421.62, 1,369,853.73 and 562,987.22 is: 777,099.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,421.62 : 1,369,853.73 = 562,987.22 : x
  2. Step 2: Convert to fraction form
    992,421.62/1,369,853.73 = 562,987.22/x
  3. Step 3: Cross multiply
    992,421.62x = 1,369,853.73 × 562,987.22
  4. Step 4: Simplify right side
    992,421.62x = 771,210,143,259.33
  5. Step 5: Solve for x
    x = 771,210,143,259.33/992,421.62
  6. Step 6: Final answer
    x = 777,099.30

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1.5x scale

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.