Home / 1,120,706.52-1,546,567.65-637,271.70

Finding the Fourth Proportional to 1,120,706.52, 1,546,567.65 and 637,271.70

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Solution

The fourth proportional to 1,120,706.52, 1,546,567.65 and 637,271.70 is: 879,430.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,706.52 : 1,546,567.65 = 637,271.70 : x
  2. Step 2: Convert to fraction form
    1,120,706.52/1,546,567.65 = 637,271.70/x
  3. Step 3: Cross multiply
    1,120,706.52x = 1,546,567.65 × 637,271.70
  4. Step 4: Simplify right side
    1,120,706.52x = 985,583,795,480.51
  5. Step 5: Solve for x
    x = 985,583,795,480.51/1,120,706.52
  6. Step 6: Final answer
    x = 879,430.77

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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.