Home / 1,152,178.81-1,590,291.35-699,848.89

Finding the Fourth Proportional to 1,152,178.81, 1,590,291.35 and 699,848.89

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Solution

The fourth proportional to 1,152,178.81, 1,590,291.35 and 699,848.89 is: 965,964.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,178.81 : 1,590,291.35 = 699,848.89 : x
  2. Step 2: Convert to fraction form
    1,152,178.81/1,590,291.35 = 699,848.89/x
  3. Step 3: Cross multiply
    1,152,178.81x = 1,590,291.35 × 699,848.89
  4. Step 4: Simplify right side
    1,152,178.81x = 1,112,963,636,074.10
  5. Step 5: Solve for x
    x = 1,112,963,636,074.10/1,152,178.81
  6. Step 6: Final answer
    x = 965,964.33

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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.