Home / 916,289.10-1,377,386.10-651,880.80

Finding the Fourth Proportional to 916,289.10, 1,377,386.10 and 651,880.80

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Solution

The fourth proportional to 916,289.10, 1,377,386.10 and 651,880.80 is: 979,921.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,289.10 : 1,377,386.10 = 651,880.80 : x
  2. Step 2: Convert to fraction form
    916,289.10/1,377,386.10 = 651,880.80/x
  3. Step 3: Cross multiply
    916,289.10x = 1,377,386.10 × 651,880.80
  4. Step 4: Simplify right side
    916,289.10x = 897,891,552,776.88
  5. Step 5: Solve for x
    x = 897,891,552,776.88/916,289.10
  6. Step 6: Final answer
    x = 979,921.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.