Home / 1,075,875.55-1,613,930.24-402,279.55

Finding the Fourth Proportional to 1,075,875.55, 1,613,930.24 and 402,279.55

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Solution

The fourth proportional to 1,075,875.55, 1,613,930.24 and 402,279.55 is: 603,463.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,875.55 : 1,613,930.24 = 402,279.55 : x
  2. Step 2: Convert to fraction form
    1,075,875.55/1,613,930.24 = 402,279.55/x
  3. Step 3: Cross multiply
    1,075,875.55x = 1,613,930.24 × 402,279.55
  4. Step 4: Simplify right side
    1,075,875.55x = 649,251,128,667.19
  5. Step 5: Solve for x
    x = 649,251,128,667.19/1,075,875.55
  6. Step 6: Final answer
    x = 603,463.04

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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.