Home / 936,155.84-1,291,890.60-506,432.21

Finding the Fourth Proportional to 936,155.84, 1,291,890.60 and 506,432.21

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Solution

The fourth proportional to 936,155.84, 1,291,890.60 and 506,432.21 is: 698,874.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,155.84 : 1,291,890.60 = 506,432.21 : x
  2. Step 2: Convert to fraction form
    936,155.84/1,291,890.60 = 506,432.21/x
  3. Step 3: Cross multiply
    936,155.84x = 1,291,890.60 × 506,432.21
  4. Step 4: Simplify right side
    936,155.84x = 654,255,005,176.77
  5. Step 5: Solve for x
    x = 654,255,005,176.77/936,155.84
  6. Step 6: Final answer
    x = 698,874.03

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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.