Home / 914,434.60-1,261,794.76-506,435.72

Finding the Fourth Proportional to 914,434.60, 1,261,794.76 and 506,435.72

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Solution

The fourth proportional to 914,434.60, 1,261,794.76 and 506,435.72 is: 698,812.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,434.60 : 1,261,794.76 = 506,435.72 : x
  2. Step 2: Convert to fraction form
    914,434.60/1,261,794.76 = 506,435.72/x
  3. Step 3: Cross multiply
    914,434.60x = 1,261,794.76 × 506,435.72
  4. Step 4: Simplify right side
    914,434.60x = 639,017,937,772.83
  5. Step 5: Solve for x
    x = 639,017,937,772.83/914,434.60
  6. Step 6: Final answer
    x = 698,812.07

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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.