Home / 1,133,445-1,564,154.10-624,146.16

Finding the Fourth Proportional to 1,133,445, 1,564,154.10 and 624,146.16

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Solution

The fourth proportional to 1,133,445, 1,564,154.10 and 624,146.16 is: 861,321.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,445 : 1,564,154.10 = 624,146.16 : x
  2. Step 2: Convert to fraction form
    1,133,445/1,564,154.10 = 624,146.16/x
  3. Step 3: Cross multiply
    1,133,445x = 1,564,154.10 × 624,146.16
  4. Step 4: Simplify right side
    1,133,445x = 976,260,775,163.26
  5. Step 5: Solve for x
    x = 976,260,775,163.26/1,133,445
  6. Step 6: Final answer
    x = 861,321.70

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Half scale
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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.