Home / 929,888.78-1,282,916.48-607,784.86

Finding the Fourth Proportional to 929,888.78, 1,282,916.48 and 607,784.86

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Solution

The fourth proportional to 929,888.78, 1,282,916.48 and 607,784.86 is: 838,527.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,888.78 : 1,282,916.48 = 607,784.86 : x
  2. Step 2: Convert to fraction form
    929,888.78/1,282,916.48 = 607,784.86/x
  3. Step 3: Cross multiply
    929,888.78x = 1,282,916.48 × 607,784.86
  4. Step 4: Simplify right side
    929,888.78x = 779,737,213,188.49
  5. Step 5: Solve for x
    x = 779,737,213,188.49/929,888.78
  6. Step 6: Final answer
    x = 838,527.39

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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.