Home / 915,717.82-1,264,283.50-589,176.86

Finding the Fourth Proportional to 915,717.82, 1,264,283.50 and 589,176.86

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Solution

The fourth proportional to 915,717.82, 1,264,283.50 and 589,176.86 is: 813,445.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,717.82 : 1,264,283.50 = 589,176.86 : x
  2. Step 2: Convert to fraction form
    915,717.82/1,264,283.50 = 589,176.86/x
  3. Step 3: Cross multiply
    915,717.82x = 1,264,283.50 × 589,176.86
  4. Step 4: Simplify right side
    915,717.82x = 744,886,582,679.81
  5. Step 5: Solve for x
    x = 744,886,582,679.81/915,717.82
  6. Step 6: Final answer
    x = 813,445.55

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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.