Home / 929,883.78-1,282,909.59-607,779.86

Finding the Fourth Proportional to 929,883.78, 1,282,909.59 and 607,779.86

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Solution

The fourth proportional to 929,883.78, 1,282,909.59 and 607,779.86 is: 838,520.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,883.78 : 1,282,909.59 = 607,779.86 : x
  2. Step 2: Convert to fraction form
    929,883.78/1,282,909.59 = 607,779.86/x
  3. Step 3: Cross multiply
    929,883.78x = 1,282,909.59 × 607,779.86
  4. Step 4: Simplify right side
    929,883.78x = 779,726,604,588.31
  5. Step 5: Solve for x
    x = 779,726,604,588.31/929,883.78
  6. Step 6: Final answer
    x = 838,520.49

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1.5x scale

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.