Home / 910,454.96-1,256,427.90-502,556.91

Finding the Fourth Proportional to 910,454.96, 1,256,427.90 and 502,556.91

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Solution

The fourth proportional to 910,454.96, 1,256,427.90 and 502,556.91 is: 693,528.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,454.96 : 1,256,427.90 = 502,556.91 : x
  2. Step 2: Convert to fraction form
    910,454.96/1,256,427.90 = 502,556.91/x
  3. Step 3: Cross multiply
    910,454.96x = 1,256,427.90 × 502,556.91
  4. Step 4: Simplify right side
    910,454.96x = 631,426,523,061.79
  5. Step 5: Solve for x
    x = 631,426,523,061.79/910,454.96
  6. Step 6: Final answer
    x = 693,528.57

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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.