Home / 940,407.05-1,298,158.96-634,897.22

Finding the Fourth Proportional to 940,407.05, 1,298,158.96 and 634,897.22

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Solution

The fourth proportional to 940,407.05, 1,298,158.96 and 634,897.22 is: 876,426.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,407.05 : 1,298,158.96 = 634,897.22 : x
  2. Step 2: Convert to fraction form
    940,407.05/1,298,158.96 = 634,897.22/x
  3. Step 3: Cross multiply
    940,407.05x = 1,298,158.96 × 634,897.22
  4. Step 4: Simplify right side
    940,407.05x = 824,197,513,163.94
  5. Step 5: Solve for x
    x = 824,197,513,163.94/940,407.05
  6. Step 6: Final answer
    x = 876,426.35

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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.