Home / 1,077,878.70-1,616,688.45-446,726.70

Finding the Fourth Proportional to 1,077,878.70, 1,616,688.45 and 446,726.70

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Solution

The fourth proportional to 1,077,878.70, 1,616,688.45 and 446,726.70 is: 670,036.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,878.70 : 1,616,688.45 = 446,726.70 : x
  2. Step 2: Convert to fraction form
    1,077,878.70/1,616,688.45 = 446,726.70/x
  3. Step 3: Cross multiply
    1,077,878.70x = 1,616,688.45 × 446,726.70
  4. Step 4: Simplify right side
    1,077,878.70x = 722,217,896,196.62
  5. Step 5: Solve for x
    x = 722,217,896,196.62/1,077,878.70
  6. Step 6: Final answer
    x = 670,036.34

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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.