Home / 768,032.60-1,153,431.30-557,907.80

Finding the Fourth Proportional to 768,032.60, 1,153,431.30 and 557,907.80

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Solution

The fourth proportional to 768,032.60, 1,153,431.30 and 557,907.80 is: 837,865.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,032.60 : 1,153,431.30 = 557,907.80 : x
  2. Step 2: Convert to fraction form
    768,032.60/1,153,431.30 = 557,907.80/x
  3. Step 3: Cross multiply
    768,032.60x = 1,153,431.30 × 557,907.80
  4. Step 4: Simplify right side
    768,032.60x = 643,508,319,034.14
  5. Step 5: Solve for x
    x = 643,508,319,034.14/768,032.60
  6. Step 6: Final answer
    x = 837,865.89

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1.5x scale

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.