Home / 839,615.13-1,158,666.12-457,641.93

Finding the Fourth Proportional to 839,615.13, 1,158,666.12 and 457,641.93

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Solution

The fourth proportional to 839,615.13, 1,158,666.12 and 457,641.93 is: 631,544.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,615.13 : 1,158,666.12 = 457,641.93 : x
  2. Step 2: Convert to fraction form
    839,615.13/1,158,666.12 = 457,641.93/x
  3. Step 3: Cross multiply
    839,615.13x = 1,158,666.12 × 457,641.93
  4. Step 4: Simplify right side
    839,615.13x = 530,254,199,382.41
  5. Step 5: Solve for x
    x = 530,254,199,382.41/839,615.13
  6. Step 6: Final answer
    x = 631,544.36

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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.