Home / 1,005,312-1,387,330.56-575,734.26

Finding the Fourth Proportional to 1,005,312, 1,387,330.56 and 575,734.26

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Solution

The fourth proportional to 1,005,312, 1,387,330.56 and 575,734.26 is: 794,513.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,312 : 1,387,330.56 = 575,734.26 : x
  2. Step 2: Convert to fraction form
    1,005,312/1,387,330.56 = 575,734.26/x
  3. Step 3: Cross multiply
    1,005,312x = 1,387,330.56 × 575,734.26
  4. Step 4: Simplify right side
    1,005,312x = 798,733,733,336.99
  5. Step 5: Solve for x
    x = 798,733,733,336.99/1,005,312
  6. Step 6: Final answer
    x = 794,513.28

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Double scale
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Similar ratio
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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.