Home / 1,708,984.80-2,563,477.20-1,431,122.40

Finding the Fourth Proportional to 1,708,984.80, 2,563,477.20 and 1,431,122.40

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Solution

The fourth proportional to 1,708,984.80, 2,563,477.20 and 1,431,122.40 is: 2,146,683.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708,984.80 : 2,563,477.20 = 1,431,122.40 : x
  2. Step 2: Convert to fraction form
    1,708,984.80/2,563,477.20 = 1,431,122.40/x
  3. Step 3: Cross multiply
    1,708,984.80x = 2,563,477.20 × 1,431,122.40
  4. Step 4: Simplify right side
    1,708,984.80x = 3,668,649,642,809.28
  5. Step 5: Solve for x
    x = 3,668,649,642,809.28/1,708,984.80
  6. Step 6: Final answer
    x = 2,146,683.60

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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.