Home / 840,444.71-1,159,868.51-477,902.31

Finding the Fourth Proportional to 840,444.71, 1,159,868.51 and 477,902.31

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Solution

The fourth proportional to 840,444.71, 1,159,868.51 and 477,902.31 is: 659,536.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,444.71 : 1,159,868.51 = 477,902.31 : x
  2. Step 2: Convert to fraction form
    840,444.71/1,159,868.51 = 477,902.31/x
  3. Step 3: Cross multiply
    840,444.71x = 1,159,868.51 × 477,902.31
  4. Step 4: Simplify right side
    840,444.71x = 554,303,837,835.75
  5. Step 5: Solve for x
    x = 554,303,837,835.75/840,444.71
  6. Step 6: Final answer
    x = 659,536.36

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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.