Home / 912,809.76-1,259,524.80-530,852.64

Finding the Fourth Proportional to 912,809.76, 1,259,524.80 and 530,852.64

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Solution

The fourth proportional to 912,809.76, 1,259,524.80 and 530,852.64 is: 732,487.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,809.76 : 1,259,524.80 = 530,852.64 : x
  2. Step 2: Convert to fraction form
    912,809.76/1,259,524.80 = 530,852.64/x
  3. Step 3: Cross multiply
    912,809.76x = 1,259,524.80 × 530,852.64
  4. Step 4: Simplify right side
    912,809.76x = 668,622,065,225.47
  5. Step 5: Solve for x
    x = 668,622,065,225.47/912,809.76
  6. Step 6: Final answer
    x = 732,487.86

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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.