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Finding the Fourth Proportional to 1,366,984, 1,886,453.76 and 755,124.10

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Solution

The fourth proportional to 1,366,984, 1,886,453.76 and 755,124.10 is: 1,042,080.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,984 : 1,886,453.76 = 755,124.10 : x
  2. Step 2: Convert to fraction form
    1,366,984/1,886,453.76 = 755,124.10/x
  3. Step 3: Cross multiply
    1,366,984x = 1,886,453.76 × 755,124.10
  4. Step 4: Simplify right side
    1,366,984x = 1,424,506,697,711.62
  5. Step 5: Solve for x
    x = 1,424,506,697,711.62/1,366,984
  6. Step 6: Final answer
    x = 1,042,080.01

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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.