Home / 1,223,614.95-1,688,590.44-679,735.95

Finding the Fourth Proportional to 1,223,614.95, 1,688,590.44 and 679,735.95

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Solution

The fourth proportional to 1,223,614.95, 1,688,590.44 and 679,735.95 is: 938,036.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,614.95 : 1,688,590.44 = 679,735.95 : x
  2. Step 2: Convert to fraction form
    1,223,614.95/1,688,590.44 = 679,735.95/x
  3. Step 3: Cross multiply
    1,223,614.95x = 1,688,590.44 × 679,735.95
  4. Step 4: Simplify right side
    1,223,614.95x = 1,147,795,626,894.32
  5. Step 5: Solve for x
    x = 1,147,795,626,894.32/1,223,614.95
  6. Step 6: Final answer
    x = 938,036.62

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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.