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Finding the Fourth Proportional to 1,316,700, 1,817,046 and 713,088

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Solution

The fourth proportional to 1,316,700, 1,817,046 and 713,088 is: 984,061.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,700 : 1,817,046 = 713,088 : x
  2. Step 2: Convert to fraction form
    1,316,700/1,817,046 = 713,088/x
  3. Step 3: Cross multiply
    1,316,700x = 1,817,046 × 713,088
  4. Step 4: Simplify right side
    1,316,700x = 1,295,713,698,048
  5. Step 5: Solve for x
    x = 1,295,713,698,048/1,316,700
  6. Step 6: Final answer
    x = 984,061.44

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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.