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Finding the Fourth Proportional to 976,804.60, 1,465,206.90 and 889,713.40

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Solution

The fourth proportional to 976,804.60, 1,465,206.90 and 889,713.40 is: 1,334,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,804.60 : 1,465,206.90 = 889,713.40 : x
  2. Step 2: Convert to fraction form
    976,804.60/1,465,206.90 = 889,713.40/x
  3. Step 3: Cross multiply
    976,804.60x = 1,465,206.90 × 889,713.40
  4. Step 4: Simplify right side
    976,804.60x = 1,303,614,212,702.46
  5. Step 5: Solve for x
    x = 1,303,614,212,702.46/976,804.60
  6. Step 6: Final answer
    x = 1,334,570.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.