Home / 1,174,498.86-1,620,731.64-690,970.50

Finding the Fourth Proportional to 1,174,498.86, 1,620,731.64 and 690,970.50

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Solution

The fourth proportional to 1,174,498.86, 1,620,731.64 and 690,970.50 is: 953,494.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,498.86 : 1,620,731.64 = 690,970.50 : x
  2. Step 2: Convert to fraction form
    1,174,498.86/1,620,731.64 = 690,970.50/x
  3. Step 3: Cross multiply
    1,174,498.86x = 1,620,731.64 × 690,970.50
  4. Step 4: Simplify right side
    1,174,498.86x = 1,119,877,751,656.62
  5. Step 5: Solve for x
    x = 1,119,877,751,656.62/1,174,498.86
  6. Step 6: Final answer
    x = 953,494.12

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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.