Home / 913,923.04-1,261,223.84-506,032.04

Finding the Fourth Proportional to 913,923.04, 1,261,223.84 and 506,032.04

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Solution

The fourth proportional to 913,923.04, 1,261,223.84 and 506,032.04 is: 698,329.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,923.04 : 1,261,223.84 = 506,032.04 : x
  2. Step 2: Convert to fraction form
    913,923.04/1,261,223.84 = 506,032.04/x
  3. Step 3: Cross multiply
    913,923.04x = 1,261,223.84 × 506,032.04
  4. Step 4: Simplify right side
    913,923.04x = 638,219,670,121.67
  5. Step 5: Solve for x
    x = 638,219,670,121.67/913,923.04
  6. Step 6: Final answer
    x = 698,329.78

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1.5x scale

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.