Home / 1,014,332.69-1,399,779.20-561,623.69

Finding the Fourth Proportional to 1,014,332.69, 1,399,779.20 and 561,623.69

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Solution

The fourth proportional to 1,014,332.69, 1,399,779.20 and 561,623.69 is: 775,040.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,332.69 : 1,399,779.20 = 561,623.69 : x
  2. Step 2: Convert to fraction form
    1,014,332.69/1,399,779.20 = 561,623.69/x
  3. Step 3: Cross multiply
    1,014,332.69x = 1,399,779.20 × 561,623.69
  4. Step 4: Simplify right side
    1,014,332.69x = 786,149,153,894.41
  5. Step 5: Solve for x
    x = 786,149,153,894.41/1,014,332.69
  6. Step 6: Final answer
    x = 775,040.74

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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.