Home / 1,154,668.67-1,593,417.84-638,402.72

Finding the Fourth Proportional to 1,154,668.67, 1,593,417.84 and 638,402.72

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Solution

The fourth proportional to 1,154,668.67, 1,593,417.84 and 638,402.72 is: 880,981.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,668.67 : 1,593,417.84 = 638,402.72 : x
  2. Step 2: Convert to fraction form
    1,154,668.67/1,593,417.84 = 638,402.72/x
  3. Step 3: Cross multiply
    1,154,668.67x = 1,593,417.84 × 638,402.72
  4. Step 4: Simplify right side
    1,154,668.67x = 1,017,242,279,960.51
  5. Step 5: Solve for x
    x = 1,017,242,279,960.51/1,154,668.67
  6. Step 6: Final answer
    x = 880,981.97

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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.