Home / 1,184,392.48-1,634,456.91-640,528.87

Finding the Fourth Proportional to 1,184,392.48, 1,634,456.91 and 640,528.87

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Solution

The fourth proportional to 1,184,392.48, 1,634,456.91 and 640,528.87 is: 883,927.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,392.48 : 1,634,456.91 = 640,528.87 : x
  2. Step 2: Convert to fraction form
    1,184,392.48/1,634,456.91 = 640,528.87/x
  3. Step 3: Cross multiply
    1,184,392.48x = 1,634,456.91 × 640,528.87
  4. Step 4: Simplify right side
    1,184,392.48x = 1,046,916,829,453.71
  5. Step 5: Solve for x
    x = 1,046,916,829,453.71/1,184,392.48
  6. Step 6: Final answer
    x = 883,927.29

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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.