Home / 705,181.08-971,938.26-509,109.24

Finding the Fourth Proportional to 705,181.08, 971,938.26 and 509,109.24

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Solution

The fourth proportional to 705,181.08, 971,938.26 and 509,109.24 is: 701,696.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,181.08 : 971,938.26 = 509,109.24 : x
  2. Step 2: Convert to fraction form
    705,181.08/971,938.26 = 509,109.24/x
  3. Step 3: Cross multiply
    705,181.08x = 971,938.26 × 509,109.24
  4. Step 4: Simplify right side
    705,181.08x = 494,822,748,875.52
  5. Step 5: Solve for x
    x = 494,822,748,875.52/705,181.08
  6. Step 6: Final answer
    x = 701,696.01

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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.