Home / 1,075,321.96-1,613,259.65-317,132.80

Finding the Fourth Proportional to 1,075,321.96, 1,613,259.65 and 317,132.80

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Solution

The fourth proportional to 1,075,321.96, 1,613,259.65 and 317,132.80 is: 475,780.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,321.96 : 1,613,259.65 = 317,132.80 : x
  2. Step 2: Convert to fraction form
    1,075,321.96/1,613,259.65 = 317,132.80/x
  3. Step 3: Cross multiply
    1,075,321.96x = 1,613,259.65 × 317,132.80
  4. Step 4: Simplify right side
    1,075,321.96x = 511,617,549,931.52
  5. Step 5: Solve for x
    x = 511,617,549,931.52/1,075,321.96
  6. Step 6: Final answer
    x = 475,780.81

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1.5x scale

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.