Home / 1,293,289.41-1,784,878.59-712,570.92

Finding the Fourth Proportional to 1,293,289.41, 1,784,878.59 and 712,570.92

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Solution

The fourth proportional to 1,293,289.41, 1,784,878.59 and 712,570.92 is: 983,424.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,289.41 : 1,784,878.59 = 712,570.92 : x
  2. Step 2: Convert to fraction form
    1,293,289.41/1,784,878.59 = 712,570.92/x
  3. Step 3: Cross multiply
    1,293,289.41x = 1,784,878.59 × 712,570.92
  4. Step 4: Simplify right side
    1,293,289.41x = 1,271,852,578,964.60
  5. Step 5: Solve for x
    x = 1,271,852,578,964.60/1,293,289.41
  6. Step 6: Final answer
    x = 983,424.57

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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.