Home / 1,975,455.72-2,963,161.98-479,547.72

Finding the Fourth Proportional to 1,975,455.72, 2,963,161.98 and 479,547.72

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Solution

The fourth proportional to 1,975,455.72, 2,963,161.98 and 479,547.72 is: 719,316.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,455.72 : 2,963,161.98 = 479,547.72 : x
  2. Step 2: Convert to fraction form
    1,975,455.72/2,963,161.98 = 479,547.72/x
  3. Step 3: Cross multiply
    1,975,455.72x = 2,963,161.98 × 479,547.72
  4. Step 4: Simplify right side
    1,975,455.72x = 1,420,977,571,499.69
  5. Step 5: Solve for x
    x = 1,420,977,571,499.69/1,975,455.72
  6. Step 6: Final answer
    x = 719,316.34

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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.