Home / 657,110.40-921,820.80-657,110.40

Finding the Fourth Proportional to 657,110.40, 921,820.80 and 657,110.40

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Solution

The fourth proportional to 657,110.40, 921,820.80 and 657,110.40 is: 921,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,110.40 : 921,820.80 = 657,110.40 : x
  2. Step 2: Convert to fraction form
    657,110.40/921,820.80 = 657,110.40/x
  3. Step 3: Cross multiply
    657,110.40x = 921,820.80 × 657,110.40
  4. Step 4: Simplify right side
    657,110.40x = 605,738,034,616.32
  5. Step 5: Solve for x
    x = 605,738,034,616.32/657,110.40
  6. Step 6: Final answer
    x = 921,820.80

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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.