Home / 1,075,329.86-1,613,271.56-317,140.70

Finding the Fourth Proportional to 1,075,329.86, 1,613,271.56 and 317,140.70

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Solution

The fourth proportional to 1,075,329.86, 1,613,271.56 and 317,140.70 is: 475,792.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,329.86 : 1,613,271.56 = 317,140.70 : x
  2. Step 2: Convert to fraction form
    1,075,329.86/1,613,271.56 = 317,140.70/x
  3. Step 3: Cross multiply
    1,075,329.86x = 1,613,271.56 × 317,140.70
  4. Step 4: Simplify right side
    1,075,329.86x = 511,634,062,176.43
  5. Step 5: Solve for x
    x = 511,634,062,176.43/1,075,329.86
  6. Step 6: Final answer
    x = 475,792.67

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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.