Home / 1,299,830.64-1,793,732.72-719,038.63

Finding the Fourth Proportional to 1,299,830.64, 1,793,732.72 and 719,038.63

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Solution

The fourth proportional to 1,299,830.64, 1,793,732.72 and 719,038.63 is: 992,254.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,830.64 : 1,793,732.72 = 719,038.63 : x
  2. Step 2: Convert to fraction form
    1,299,830.64/1,793,732.72 = 719,038.63/x
  3. Step 3: Cross multiply
    1,299,830.64x = 1,793,732.72 × 719,038.63
  4. Step 4: Simplify right side
    1,299,830.64x = 1,289,763,116,221.95
  5. Step 5: Solve for x
    x = 1,289,763,116,221.95/1,299,830.64
  6. Step 6: Final answer
    x = 992,254.74

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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.