Home / 886,904.64-1,223,929.55-504,931.40

Finding the Fourth Proportional to 886,904.64, 1,223,929.55 and 504,931.40

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Solution

The fourth proportional to 886,904.64, 1,223,929.55 and 504,931.40 is: 696,805.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,904.64 : 1,223,929.55 = 504,931.40 : x
  2. Step 2: Convert to fraction form
    886,904.64/1,223,929.55 = 504,931.40/x
  3. Step 3: Cross multiply
    886,904.64x = 1,223,929.55 × 504,931.40
  4. Step 4: Simplify right side
    886,904.64x = 618,000,461,182.87
  5. Step 5: Solve for x
    x = 618,000,461,182.87/886,904.64
  6. Step 6: Final answer
    x = 696,805.98

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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.