Home / 942,630.34-1,300,631.40-616,421.52

Finding the Fourth Proportional to 942,630.34, 1,300,631.40 and 616,421.52

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Solution

The fourth proportional to 942,630.34, 1,300,631.40 and 616,421.52 is: 850,531.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,630.34 : 1,300,631.40 = 616,421.52 : x
  2. Step 2: Convert to fraction form
    942,630.34/1,300,631.40 = 616,421.52/x
  3. Step 3: Cross multiply
    942,630.34x = 1,300,631.40 × 616,421.52
  4. Step 4: Simplify right side
    942,630.34x = 801,737,184,547.73
  5. Step 5: Solve for x
    x = 801,737,184,547.73/942,630.34
  6. Step 6: Final answer
    x = 850,531.91

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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.