Home / 907,774.60-1,361,661.90-571,851.40

Finding the Fourth Proportional to 907,774.60, 1,361,661.90 and 571,851.40

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Solution

The fourth proportional to 907,774.60, 1,361,661.90 and 571,851.40 is: 857,777.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,774.60 : 1,361,661.90 = 571,851.40 : x
  2. Step 2: Convert to fraction form
    907,774.60/1,361,661.90 = 571,851.40/x
  3. Step 3: Cross multiply
    907,774.60x = 1,361,661.90 × 571,851.40
  4. Step 4: Simplify right side
    907,774.60x = 778,668,263,841.66
  5. Step 5: Solve for x
    x = 778,668,263,841.66/907,774.60
  6. Step 6: Final answer
    x = 857,777.10

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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.