Home / 1,698,206.90-2,343,860.15-973,540.80

Finding the Fourth Proportional to 1,698,206.90, 2,343,860.15 and 973,540.80

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Solution

The fourth proportional to 1,698,206.90, 2,343,860.15 and 973,540.80 is: 1,343,678.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698,206.90 : 2,343,860.15 = 973,540.80 : x
  2. Step 2: Convert to fraction form
    1,698,206.90/2,343,860.15 = 973,540.80/x
  3. Step 3: Cross multiply
    1,698,206.90x = 2,343,860.15 × 973,540.80
  4. Step 4: Simplify right side
    1,698,206.90x = 2,281,843,480,651.42
  5. Step 5: Solve for x
    x = 2,281,843,480,651.42/1,698,206.90
  6. Step 6: Final answer
    x = 1,343,678.14

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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.