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Finding the Fourth Proportional to 912,888.74, 1,259,362 and 590,702.87

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Solution

The fourth proportional to 912,888.74, 1,259,362 and 590,702.87 is: 814,895.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,888.74 : 1,259,362 = 590,702.87 : x
  2. Step 2: Convert to fraction form
    912,888.74/1,259,362 = 590,702.87/x
  3. Step 3: Cross multiply
    912,888.74x = 1,259,362 × 590,702.87
  4. Step 4: Simplify right side
    912,888.74x = 743,908,747,768.94
  5. Step 5: Solve for x
    x = 743,908,747,768.94/912,888.74
  6. Step 6: Final answer
    x = 814,895.30

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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.