Home / 1,126,235.32-1,554,205.02-616,955.80

Finding the Fourth Proportional to 1,126,235.32, 1,554,205.02 and 616,955.80

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Solution

The fourth proportional to 1,126,235.32, 1,554,205.02 and 616,955.80 is: 851,399.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,235.32 : 1,554,205.02 = 616,955.80 : x
  2. Step 2: Convert to fraction form
    1,126,235.32/1,554,205.02 = 616,955.80/x
  3. Step 3: Cross multiply
    1,126,235.32x = 1,554,205.02 × 616,955.80
  4. Step 4: Simplify right side
    1,126,235.32x = 958,875,801,478.12
  5. Step 5: Solve for x
    x = 958,875,801,478.12/1,126,235.32
  6. Step 6: Final answer
    x = 851,399.16

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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.