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Finding the Fourth Proportional to 1,411,416, 1,947,754.08 and 775,512

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Solution

The fourth proportional to 1,411,416, 1,947,754.08 and 775,512 is: 1,070,206.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,416 : 1,947,754.08 = 775,512 : x
  2. Step 2: Convert to fraction form
    1,411,416/1,947,754.08 = 775,512/x
  3. Step 3: Cross multiply
    1,411,416x = 1,947,754.08 × 775,512
  4. Step 4: Simplify right side
    1,411,416x = 1,510,506,662,088.96
  5. Step 5: Solve for x
    x = 1,510,506,662,088.96/1,411,416
  6. Step 6: Final answer
    x = 1,070,206.56

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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.