Home / 1,626,513.60-2,439,562.22-428,528.46

Finding the Fourth Proportional to 1,626,513.60, 2,439,562.22 and 428,528.46

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Solution

The fourth proportional to 1,626,513.60, 2,439,562.22 and 428,528.46 is: 642,737.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626,513.60 : 2,439,562.22 = 428,528.46 : x
  2. Step 2: Convert to fraction form
    1,626,513.60/2,439,562.22 = 428,528.46/x
  3. Step 3: Cross multiply
    1,626,513.60x = 2,439,562.22 × 428,528.46
  4. Step 4: Simplify right side
    1,626,513.60x = 1,045,421,841,210.78
  5. Step 5: Solve for x
    x = 1,045,421,841,210.78/1,626,513.60
  6. Step 6: Final answer
    x = 642,737.84

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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.