Home / 1,249,814.66-1,724,884.51-705,985.49

Finding the Fourth Proportional to 1,249,814.66, 1,724,884.51 and 705,985.49

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Solution

The fourth proportional to 1,249,814.66, 1,724,884.51 and 705,985.49 is: 974,339.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,814.66 : 1,724,884.51 = 705,985.49 : x
  2. Step 2: Convert to fraction form
    1,249,814.66/1,724,884.51 = 705,985.49/x
  3. Step 3: Cross multiply
    1,249,814.66x = 1,724,884.51 × 705,985.49
  4. Step 4: Simplify right side
    1,249,814.66x = 1,217,743,429,576.05
  5. Step 5: Solve for x
    x = 1,217,743,429,576.05/1,249,814.66
  6. Step 6: Final answer
    x = 974,339.21

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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.