Home / 910,590.42-1,256,624.94-502,692.48

Finding the Fourth Proportional to 910,590.42, 1,256,624.94 and 502,692.48

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Solution

The fourth proportional to 910,590.42, 1,256,624.94 and 502,692.48 is: 693,721.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,590.42 : 1,256,624.94 = 502,692.48 : x
  2. Step 2: Convert to fraction form
    910,590.42/1,256,624.94 = 502,692.48/x
  3. Step 3: Cross multiply
    910,590.42x = 1,256,624.94 × 502,692.48
  4. Step 4: Simplify right side
    910,590.42x = 631,695,907,518.45
  5. Step 5: Solve for x
    x = 631,695,907,518.45/910,590.42
  6. Step 6: Final answer
    x = 693,721.23

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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.