Home / 710,521.60-1,064,032.80-336,107.20

Finding the Fourth Proportional to 710,521.60, 1,064,032.80 and 336,107.20

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Solution

The fourth proportional to 710,521.60, 1,064,032.80 and 336,107.20 is: 503,333.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,521.60 : 1,064,032.80 = 336,107.20 : x
  2. Step 2: Convert to fraction form
    710,521.60/1,064,032.80 = 336,107.20/x
  3. Step 3: Cross multiply
    710,521.60x = 1,064,032.80 × 336,107.20
  4. Step 4: Simplify right side
    710,521.60x = 357,629,085,116.16
  5. Step 5: Solve for x
    x = 357,629,085,116.16/710,521.60
  6. Step 6: Final answer
    x = 503,333.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.