Home / 1,556,637.80-2,334,783.90-434,820.20

Finding the Fourth Proportional to 1,556,637.80, 2,334,783.90 and 434,820.20

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Solution

The fourth proportional to 1,556,637.80, 2,334,783.90 and 434,820.20 is: 652,182.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,637.80 : 2,334,783.90 = 434,820.20 : x
  2. Step 2: Convert to fraction form
    1,556,637.80/2,334,783.90 = 434,820.20/x
  3. Step 3: Cross multiply
    1,556,637.80x = 2,334,783.90 × 434,820.20
  4. Step 4: Simplify right side
    1,556,637.80x = 1,015,211,202,354.78
  5. Step 5: Solve for x
    x = 1,015,211,202,354.78/1,556,637.80
  6. Step 6: Final answer
    x = 652,182.03

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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.