Home / 1,234,070.02-1,703,011.80-690,203.62

Finding the Fourth Proportional to 1,234,070.02, 1,703,011.80 and 690,203.62

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Solution

The fourth proportional to 1,234,070.02, 1,703,011.80 and 690,203.62 is: 952,478.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,070.02 : 1,703,011.80 = 690,203.62 : x
  2. Step 2: Convert to fraction form
    1,234,070.02/1,703,011.80 = 690,203.62/x
  3. Step 3: Cross multiply
    1,234,070.02x = 1,703,011.80 × 690,203.62
  4. Step 4: Simplify right side
    1,234,070.02x = 1,175,424,909,262.72
  5. Step 5: Solve for x
    x = 1,175,424,909,262.72/1,234,070.02
  6. Step 6: Final answer
    x = 952,478.30

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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.