Home / 938,648.58-1,295,327.21-530,830.50

Finding the Fourth Proportional to 938,648.58, 1,295,327.21 and 530,830.50

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Solution

The fourth proportional to 938,648.58, 1,295,327.21 and 530,830.50 is: 732,541.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,648.58 : 1,295,327.21 = 530,830.50 : x
  2. Step 2: Convert to fraction form
    938,648.58/1,295,327.21 = 530,830.50/x
  3. Step 3: Cross multiply
    938,648.58x = 1,295,327.21 × 530,830.50
  4. Step 4: Simplify right side
    938,648.58x = 687,599,190,547.91
  5. Step 5: Solve for x
    x = 687,599,190,547.91/938,648.58
  6. Step 6: Final answer
    x = 732,541.66

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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.