Home / 1,075,748.40-1,613,680.92-402,006.60

Finding the Fourth Proportional to 1,075,748.40, 1,613,680.92 and 402,006.60

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Solution

The fourth proportional to 1,075,748.40, 1,613,680.92 and 402,006.60 is: 603,031.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,748.40 : 1,613,680.92 = 402,006.60 : x
  2. Step 2: Convert to fraction form
    1,075,748.40/1,613,680.92 = 402,006.60/x
  3. Step 3: Cross multiply
    1,075,748.40x = 1,613,680.92 × 402,006.60
  4. Step 4: Simplify right side
    1,075,748.40x = 648,710,380,134.07
  5. Step 5: Solve for x
    x = 648,710,380,134.07/1,075,748.40
  6. Step 6: Final answer
    x = 603,031.69

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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.