Home / 1,013,120.70-1,398,117.60-554,225.41

Finding the Fourth Proportional to 1,013,120.70, 1,398,117.60 and 554,225.41

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Solution

The fourth proportional to 1,013,120.70, 1,398,117.60 and 554,225.41 is: 764,837.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,120.70 : 1,398,117.60 = 554,225.41 : x
  2. Step 2: Convert to fraction form
    1,013,120.70/1,398,117.60 = 554,225.41/x
  3. Step 3: Cross multiply
    1,013,120.70x = 1,398,117.60 × 554,225.41
  4. Step 4: Simplify right side
    1,013,120.70x = 774,872,300,088.22
  5. Step 5: Solve for x
    x = 774,872,300,088.22/1,013,120.70
  6. Step 6: Final answer
    x = 764,837.10

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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.