Home / 1,020,586.16-1,408,581.60-591,127.76

Finding the Fourth Proportional to 1,020,586.16, 1,408,581.60 and 591,127.76

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Solution

The fourth proportional to 1,020,586.16, 1,408,581.60 and 591,127.76 is: 815,856.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,586.16 : 1,408,581.60 = 591,127.76 : x
  2. Step 2: Convert to fraction form
    1,020,586.16/1,408,581.60 = 591,127.76/x
  3. Step 3: Cross multiply
    1,020,586.16x = 1,408,581.60 × 591,127.76
  4. Step 4: Simplify right side
    1,020,586.16x = 832,651,685,985.22
  5. Step 5: Solve for x
    x = 832,651,685,985.22/1,020,586.16
  6. Step 6: Final answer
    x = 815,856.34

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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.