Home / 1,931,659.40-2,897,489.10-986,875.40

Finding the Fourth Proportional to 1,931,659.40, 2,897,489.10 and 986,875.40

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Solution

The fourth proportional to 1,931,659.40, 2,897,489.10 and 986,875.40 is: 1,480,313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,659.40 : 2,897,489.10 = 986,875.40 : x
  2. Step 2: Convert to fraction form
    1,931,659.40/2,897,489.10 = 986,875.40/x
  3. Step 3: Cross multiply
    1,931,659.40x = 2,897,489.10 × 986,875.40
  4. Step 4: Simplify right side
    1,931,659.40x = 2,859,460,714,558.14
  5. Step 5: Solve for x
    x = 2,859,460,714,558.14/1,931,659.40
  6. Step 6: Final answer
    x = 1,480,313.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.