Home / 657,114.90-921,827.10-657,114.90

Finding the Fourth Proportional to 657,114.90, 921,827.10 and 657,114.90

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Solution

The fourth proportional to 657,114.90, 921,827.10 and 657,114.90 is: 921,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,114.90 : 921,827.10 = 657,114.90 : x
  2. Step 2: Convert to fraction form
    657,114.90/921,827.10 = 657,114.90/x
  3. Step 3: Cross multiply
    657,114.90x = 921,827.10 × 657,114.90
  4. Step 4: Simplify right side
    657,114.90x = 605,746,322,633.79
  5. Step 5: Solve for x
    x = 605,746,322,633.79/657,114.90
  6. Step 6: Final answer
    x = 921,827.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.