Home / 634,041.68-875,258.88-404,899.16

Finding the Fourth Proportional to 634,041.68, 875,258.88 and 404,899.16

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Solution

The fourth proportional to 634,041.68, 875,258.88 and 404,899.16 is: 558,940.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,041.68 : 875,258.88 = 404,899.16 : x
  2. Step 2: Convert to fraction form
    634,041.68/875,258.88 = 404,899.16/x
  3. Step 3: Cross multiply
    634,041.68x = 875,258.88 × 404,899.16
  4. Step 4: Simplify right side
    634,041.68x = 354,391,585,294.54
  5. Step 5: Solve for x
    x = 354,391,585,294.54/634,041.68
  6. Step 6: Final answer
    x = 558,940.52

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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.