Home / 1,284,237.48-1,772,226-711,265.35

Finding the Fourth Proportional to 1,284,237.48, 1,772,226 and 711,265.35

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Solution

The fourth proportional to 1,284,237.48, 1,772,226 and 711,265.35 is: 981,534.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,237.48 : 1,772,226 = 711,265.35 : x
  2. Step 2: Convert to fraction form
    1,284,237.48/1,772,226 = 711,265.35/x
  3. Step 3: Cross multiply
    1,284,237.48x = 1,772,226 × 711,265.35
  4. Step 4: Simplify right side
    1,284,237.48x = 1,260,522,946,169.10
  5. Step 5: Solve for x
    x = 1,260,522,946,169.10/1,284,237.48
  6. Step 6: Final answer
    x = 981,534.15

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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.