Home / 1,019,859.46-1,407,440.61-561,008.16

Finding the Fourth Proportional to 1,019,859.46, 1,407,440.61 and 561,008.16

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Solution

The fourth proportional to 1,019,859.46, 1,407,440.61 and 561,008.16 is: 774,210.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,859.46 : 1,407,440.61 = 561,008.16 : x
  2. Step 2: Convert to fraction form
    1,019,859.46/1,407,440.61 = 561,008.16/x
  3. Step 3: Cross multiply
    1,019,859.46x = 1,407,440.61 × 561,008.16
  4. Step 4: Simplify right side
    1,019,859.46x = 789,585,666,925.38
  5. Step 5: Solve for x
    x = 789,585,666,925.38/1,019,859.46
  6. Step 6: Final answer
    x = 774,210.27

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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.