Home / 740,636.64-1,021,090.68-556,094.16

Finding the Fourth Proportional to 740,636.64, 1,021,090.68 and 556,094.16

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Solution

The fourth proportional to 740,636.64, 1,021,090.68 and 556,094.16 is: 766,668.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,636.64 : 1,021,090.68 = 556,094.16 : x
  2. Step 2: Convert to fraction form
    740,636.64/1,021,090.68 = 556,094.16/x
  3. Step 3: Cross multiply
    740,636.64x = 1,021,090.68 × 556,094.16
  4. Step 4: Simplify right side
    740,636.64x = 567,822,563,978.43
  5. Step 5: Solve for x
    x = 567,822,563,978.43/740,636.64
  6. Step 6: Final answer
    x = 766,668.21

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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.