Home / 1,124,019.25-1,551,186.02-640,506.35

Finding the Fourth Proportional to 1,124,019.25, 1,551,186.02 and 640,506.35

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Solution

The fourth proportional to 1,124,019.25, 1,551,186.02 and 640,506.35 is: 883,921.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,019.25 : 1,551,186.02 = 640,506.35 : x
  2. Step 2: Convert to fraction form
    1,124,019.25/1,551,186.02 = 640,506.35/x
  3. Step 3: Cross multiply
    1,124,019.25x = 1,551,186.02 × 640,506.35
  4. Step 4: Simplify right side
    1,124,019.25x = 993,544,501,320.46
  5. Step 5: Solve for x
    x = 993,544,501,320.46/1,124,019.25
  6. Step 6: Final answer
    x = 883,921.25

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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.