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Finding the Fourth Proportional to 1,357,051.14, 1,872,598 and 784,079.01

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Solution

The fourth proportional to 1,357,051.14, 1,872,598 and 784,079.01 is: 1,081,952.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,051.14 : 1,872,598 = 784,079.01 : x
  2. Step 2: Convert to fraction form
    1,357,051.14/1,872,598 = 784,079.01/x
  3. Step 3: Cross multiply
    1,357,051.14x = 1,872,598 × 784,079.01
  4. Step 4: Simplify right side
    1,357,051.14x = 1,468,264,785,967.98
  5. Step 5: Solve for x
    x = 1,468,264,785,967.98/1,357,051.14
  6. Step 6: Final answer
    x = 1,081,952.44

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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.