Home / 916,633.80-1,264,935.64-508,711.96

Finding the Fourth Proportional to 916,633.80, 1,264,935.64 and 508,711.96

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Solution

The fourth proportional to 916,633.80, 1,264,935.64 and 508,711.96 is: 702,011.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,633.80 : 1,264,935.64 = 508,711.96 : x
  2. Step 2: Convert to fraction form
    916,633.80/1,264,935.64 = 508,711.96/x
  3. Step 3: Cross multiply
    916,633.80x = 1,264,935.64 × 508,711.96
  4. Step 4: Simplify right side
    916,633.80x = 643,487,888,698.25
  5. Step 5: Solve for x
    x = 643,487,888,698.25/916,633.80
  6. Step 6: Final answer
    x = 702,011.96

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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.