Home / 908,582-1,253,869.08-506,199.92

Finding the Fourth Proportional to 908,582, 1,253,869.08 and 506,199.92

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Solution

The fourth proportional to 908,582, 1,253,869.08 and 506,199.92 is: 698,570.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,582 : 1,253,869.08 = 506,199.92 : x
  2. Step 2: Convert to fraction form
    908,582/1,253,869.08 = 506,199.92/x
  3. Step 3: Cross multiply
    908,582x = 1,253,869.08 × 506,199.92
  4. Step 4: Simplify right side
    908,582x = 634,708,427,986.47
  5. Step 5: Solve for x
    x = 634,708,427,986.47/908,582
  6. Step 6: Final answer
    x = 698,570.33

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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.