Home / 1,038,430.78-1,433,101.35-585,712.06

Finding the Fourth Proportional to 1,038,430.78, 1,433,101.35 and 585,712.06

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Solution

The fourth proportional to 1,038,430.78, 1,433,101.35 and 585,712.06 is: 808,320.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,430.78 : 1,433,101.35 = 585,712.06 : x
  2. Step 2: Convert to fraction form
    1,038,430.78/1,433,101.35 = 585,712.06/x
  3. Step 3: Cross multiply
    1,038,430.78x = 1,433,101.35 × 585,712.06
  4. Step 4: Simplify right side
    1,038,430.78x = 839,384,743,897.28
  5. Step 5: Solve for x
    x = 839,384,743,897.28/1,038,430.78
  6. Step 6: Final answer
    x = 808,320.36

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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.