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Finding the Fourth Proportional to 1,249,259.76, 1,723,978.36 and 697,975.58

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Solution

The fourth proportional to 1,249,259.76, 1,723,978.36 and 697,975.58 is: 963,206.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,259.76 : 1,723,978.36 = 697,975.58 : x
  2. Step 2: Convert to fraction form
    1,249,259.76/1,723,978.36 = 697,975.58/x
  3. Step 3: Cross multiply
    1,249,259.76x = 1,723,978.36 × 697,975.58
  4. Step 4: Simplify right side
    1,249,259.76x = 1,203,294,796,739.34
  5. Step 5: Solve for x
    x = 1,203,294,796,739.34/1,249,259.76
  6. Step 6: Final answer
    x = 963,206.24

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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.