Home / 852,971.95-1,177,303.21-490,605.19

Finding the Fourth Proportional to 852,971.95, 1,177,303.21 and 490,605.19

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Solution

The fourth proportional to 852,971.95, 1,177,303.21 and 490,605.19 is: 677,151.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,971.95 : 1,177,303.21 = 490,605.19 : x
  2. Step 2: Convert to fraction form
    852,971.95/1,177,303.21 = 490,605.19/x
  3. Step 3: Cross multiply
    852,971.95x = 1,177,303.21 × 490,605.19
  4. Step 4: Simplify right side
    852,971.95x = 577,591,060,859.89
  5. Step 5: Solve for x
    x = 577,591,060,859.89/852,971.95
  6. Step 6: Final answer
    x = 677,151.29

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Double scale
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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.