Home / 927,573.41-1,280,186.43-519,702.81

Finding the Fourth Proportional to 927,573.41, 1,280,186.43 and 519,702.81

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Solution

The fourth proportional to 927,573.41, 1,280,186.43 and 519,702.81 is: 717,265.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,573.41 : 1,280,186.43 = 519,702.81 : x
  2. Step 2: Convert to fraction form
    927,573.41/1,280,186.43 = 519,702.81/x
  3. Step 3: Cross multiply
    927,573.41x = 1,280,186.43 × 519,702.81
  4. Step 4: Simplify right side
    927,573.41x = 665,316,484,994.87
  5. Step 5: Solve for x
    x = 665,316,484,994.87/927,573.41
  6. Step 6: Final answer
    x = 717,265.59

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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.