Home / 1,429,295.24-1,972,482.90-784,742.60

Finding the Fourth Proportional to 1,429,295.24, 1,972,482.90 and 784,742.60

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Solution

The fourth proportional to 1,429,295.24, 1,972,482.90 and 784,742.60 is: 1,082,975.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,295.24 : 1,972,482.90 = 784,742.60 : x
  2. Step 2: Convert to fraction form
    1,429,295.24/1,972,482.90 = 784,742.60/x
  3. Step 3: Cross multiply
    1,429,295.24x = 1,972,482.90 × 784,742.60
  4. Step 4: Simplify right side
    1,429,295.24x = 1,547,891,359,401.54
  5. Step 5: Solve for x
    x = 1,547,891,359,401.54/1,429,295.24
  6. Step 6: Final answer
    x = 1,082,975.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.