Home / 986,349.48-1,361,156.58-533,630.76

Finding the Fourth Proportional to 986,349.48, 1,361,156.58 and 533,630.76

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Solution

The fourth proportional to 986,349.48, 1,361,156.58 and 533,630.76 is: 736,407.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,349.48 : 1,361,156.58 = 533,630.76 : x
  2. Step 2: Convert to fraction form
    986,349.48/1,361,156.58 = 533,630.76/x
  3. Step 3: Cross multiply
    986,349.48x = 1,361,156.58 × 533,630.76
  4. Step 4: Simplify right side
    986,349.48x = 726,355,020,264.40
  5. Step 5: Solve for x
    x = 726,355,020,264.40/986,349.48
  6. Step 6: Final answer
    x = 736,407.36

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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.