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Finding the Fourth Proportional to 1,249,914.93, 1,724,877.24 and 698,629.86

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Solution

The fourth proportional to 1,249,914.93, 1,724,877.24 and 698,629.86 is: 964,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,914.93 : 1,724,877.24 = 698,629.86 : x
  2. Step 2: Convert to fraction form
    1,249,914.93/1,724,877.24 = 698,629.86/x
  3. Step 3: Cross multiply
    1,249,914.93x = 1,724,877.24 × 698,629.86
  4. Step 4: Simplify right side
    1,249,914.93x = 1,205,050,732,580.85
  5. Step 5: Solve for x
    x = 1,205,050,732,580.85/1,249,914.93
  6. Step 6: Final answer
    x = 964,106.20

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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.