Home / 657,941.04-907,579.65-396,114.07

Finding the Fourth Proportional to 657,941.04, 907,579.65 and 396,114.07

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Solution

The fourth proportional to 657,941.04, 907,579.65 and 396,114.07 is: 546,409.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,941.04 : 907,579.65 = 396,114.07 : x
  2. Step 2: Convert to fraction form
    657,941.04/907,579.65 = 396,114.07/x
  3. Step 3: Cross multiply
    657,941.04x = 907,579.65 × 396,114.07
  4. Step 4: Simplify right side
    657,941.04x = 359,505,069,010.68
  5. Step 5: Solve for x
    x = 359,505,069,010.68/657,941.04
  6. Step 6: Final answer
    x = 546,409.25

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Double scale
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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.