Home / 1,239,852.72-1,711,053.58-688,570.94

Finding the Fourth Proportional to 1,239,852.72, 1,711,053.58 and 688,570.94

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Solution

The fourth proportional to 1,239,852.72, 1,711,053.58 and 688,570.94 is: 950,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,852.72 : 1,711,053.58 = 688,570.94 : x
  2. Step 2: Convert to fraction form
    1,239,852.72/1,711,053.58 = 688,570.94/x
  3. Step 3: Cross multiply
    1,239,852.72x = 1,711,053.58 × 688,570.94
  4. Step 4: Simplify right side
    1,239,852.72x = 1,178,181,771,970.97
  5. Step 5: Solve for x
    x = 1,178,181,771,970.97/1,239,852.72
  6. Step 6: Final answer
    x = 950,259.46

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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.