Home / 873,809.55-1,205,780.29-486,595.71

Finding the Fourth Proportional to 873,809.55, 1,205,780.29 and 486,595.71

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Solution

The fourth proportional to 873,809.55, 1,205,780.29 and 486,595.71 is: 671,459.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,809.55 : 1,205,780.29 = 486,595.71 : x
  2. Step 2: Convert to fraction form
    873,809.55/1,205,780.29 = 486,595.71/x
  3. Step 3: Cross multiply
    873,809.55x = 1,205,780.29 × 486,595.71
  4. Step 4: Simplify right side
    873,809.55x = 586,727,516,316.56
  5. Step 5: Solve for x
    x = 586,727,516,316.56/873,809.55
  6. Step 6: Final answer
    x = 671,459.26

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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.