Home / 810,259.71-1,114,931.38-785,606.76

Finding the Fourth Proportional to 810,259.71, 1,114,931.38 and 785,606.76

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Solution

The fourth proportional to 810,259.71, 1,114,931.38 and 785,606.76 is: 1,081,008.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,259.71 : 1,114,931.38 = 785,606.76 : x
  2. Step 2: Convert to fraction form
    810,259.71/1,114,931.38 = 785,606.76/x
  3. Step 3: Cross multiply
    810,259.71x = 1,114,931.38 × 785,606.76
  4. Step 4: Simplify right side
    810,259.71x = 875,897,620,047.50
  5. Step 5: Solve for x
    x = 875,897,620,047.50/810,259.71
  6. Step 6: Final answer
    x = 1,081,008.48

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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.