Home / 1,053,521.25-1,453,863.18-570,086.40

Finding the Fourth Proportional to 1,053,521.25, 1,453,863.18 and 570,086.40

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Solution

The fourth proportional to 1,053,521.25, 1,453,863.18 and 570,086.40 is: 786,721.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,521.25 : 1,453,863.18 = 570,086.40 : x
  2. Step 2: Convert to fraction form
    1,053,521.25/1,453,863.18 = 570,086.40/x
  3. Step 3: Cross multiply
    1,053,521.25x = 1,453,863.18 × 570,086.40
  4. Step 4: Simplify right side
    1,053,521.25x = 828,827,626,378.75
  5. Step 5: Solve for x
    x = 828,827,626,378.75/1,053,521.25
  6. Step 6: Final answer
    x = 786,721.32

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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.