Home / 912,463.90-1,258,781.64-590,277.89

Finding the Fourth Proportional to 912,463.90, 1,258,781.64 and 590,277.89

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Solution

The fourth proportional to 912,463.90, 1,258,781.64 and 590,277.89 is: 814,312.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,463.90 : 1,258,781.64 = 590,277.89 : x
  2. Step 2: Convert to fraction form
    912,463.90/1,258,781.64 = 590,277.89/x
  3. Step 3: Cross multiply
    912,463.90x = 1,258,781.64 × 590,277.89
  4. Step 4: Simplify right side
    912,463.90x = 743,030,970,429.94
  5. Step 5: Solve for x
    x = 743,030,970,429.94/912,463.90
  6. Step 6: Final answer
    x = 814,312.73

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1.5x scale

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.