Home / 916,191.30-1,264,343.51-502,730.80

Finding the Fourth Proportional to 916,191.30, 1,264,343.51 and 502,730.80

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Solution

The fourth proportional to 916,191.30, 1,264,343.51 and 502,730.80 is: 693,768.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,191.30 : 1,264,343.51 = 502,730.80 : x
  2. Step 2: Convert to fraction form
    916,191.30/1,264,343.51 = 502,730.80/x
  3. Step 3: Cross multiply
    916,191.30x = 1,264,343.51 × 502,730.80
  4. Step 4: Simplify right side
    916,191.30x = 635,624,429,465.01
  5. Step 5: Solve for x
    x = 635,624,429,465.01/916,191.30
  6. Step 6: Final answer
    x = 693,768.24

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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.