Home / 992,465.40-1,489,475.70-460,052.40

Finding the Fourth Proportional to 992,465.40, 1,489,475.70 and 460,052.40

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Solution

The fourth proportional to 992,465.40, 1,489,475.70 and 460,052.40 is: 690,439.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,465.40 : 1,489,475.70 = 460,052.40 : x
  2. Step 2: Convert to fraction form
    992,465.40/1,489,475.70 = 460,052.40/x
  3. Step 3: Cross multiply
    992,465.40x = 1,489,475.70 × 460,052.40
  4. Step 4: Simplify right side
    992,465.40x = 685,236,870,526.68
  5. Step 5: Solve for x
    x = 685,236,870,526.68/992,465.40
  6. Step 6: Final answer
    x = 690,439.05

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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.