Home / 1,240,478.34-1,711,762.65-703,934.34

Finding the Fourth Proportional to 1,240,478.34, 1,711,762.65 and 703,934.34

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Solution

The fourth proportional to 1,240,478.34, 1,711,762.65 and 703,934.34 is: 971,374.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,478.34 : 1,711,762.65 = 703,934.34 : x
  2. Step 2: Convert to fraction form
    1,240,478.34/1,711,762.65 = 703,934.34/x
  3. Step 3: Cross multiply
    1,240,478.34x = 1,711,762.65 × 703,934.34
  4. Step 4: Simplify right side
    1,240,478.34x = 1,204,968,511,264.40
  5. Step 5: Solve for x
    x = 1,204,968,511,264.40/1,240,478.34
  6. Step 6: Final answer
    x = 971,374.08

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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.