Home / 938,648.34-1,295,326.86-530,830.23

Finding the Fourth Proportional to 938,648.34, 1,295,326.86 and 530,830.23

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Solution

The fourth proportional to 938,648.34, 1,295,326.86 and 530,830.23 is: 732,541.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,648.34 : 1,295,326.86 = 530,830.23 : x
  2. Step 2: Convert to fraction form
    938,648.34/1,295,326.86 = 530,830.23/x
  3. Step 3: Cross multiply
    938,648.34x = 1,295,326.86 × 530,830.23
  4. Step 4: Simplify right side
    938,648.34x = 687,598,655,018.98
  5. Step 5: Solve for x
    x = 687,598,655,018.98/938,648.34
  6. Step 6: Final answer
    x = 732,541.28

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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.