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Finding the Fourth Proportional to 1,623,693.40, 2,435,693.70 and 441,741.40

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Solution

The fourth proportional to 1,623,693.40, 2,435,693.70 and 441,741.40 is: 662,653.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,693.40 : 2,435,693.70 = 441,741.40 : x
  2. Step 2: Convert to fraction form
    1,623,693.40/2,435,693.70 = 441,741.40/x
  3. Step 3: Cross multiply
    1,623,693.40x = 2,435,693.70 × 441,741.40
  4. Step 4: Simplify right side
    1,623,693.40x = 1,075,946,745,009.18
  5. Step 5: Solve for x
    x = 1,075,946,745,009.18/1,623,693.40
  6. Step 6: Final answer
    x = 662,653.89

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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.