Home / 1,565,021.00-2,159,751.40-911,630.25

Finding the Fourth Proportional to 1,565,021.00, 2,159,751.40 and 911,630.25

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Solution

The fourth proportional to 1,565,021.00, 2,159,751.40 and 911,630.25 is: 1,258,062.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,021.00 : 2,159,751.40 = 911,630.25 : x
  2. Step 2: Convert to fraction form
    1,565,021.00/2,159,751.40 = 911,630.25/x
  3. Step 3: Cross multiply
    1,565,021.00x = 2,159,751.40 × 911,630.25
  4. Step 4: Simplify right side
    1,565,021.00x = 1,968,894,706,440.77
  5. Step 5: Solve for x
    x = 1,968,894,706,440.77/1,565,021.00
  6. Step 6: Final answer
    x = 1,258,062.80

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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.