Home / 912,521.08-1,259,228.82-504,599.32

Finding the Fourth Proportional to 912,521.08, 1,259,228.82 and 504,599.32

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Solution

The fourth proportional to 912,521.08, 1,259,228.82 and 504,599.32 is: 696,319.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,521.08 : 1,259,228.82 = 504,599.32 : x
  2. Step 2: Convert to fraction form
    912,521.08/1,259,228.82 = 504,599.32/x
  3. Step 3: Cross multiply
    912,521.08x = 1,259,228.82 × 504,599.32
  4. Step 4: Simplify right side
    912,521.08x = 635,406,006,296.40
  5. Step 5: Solve for x
    x = 635,406,006,296.40/912,521.08
  6. Step 6: Final answer
    x = 696,319.26

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Double scale
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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.