Home / 738,637.58-1,020,160.16-496,499.63

Finding the Fourth Proportional to 738,637.58, 1,020,160.16 and 496,499.63

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Solution

The fourth proportional to 738,637.58, 1,020,160.16 and 496,499.63 is: 685,734.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,637.58 : 1,020,160.16 = 496,499.63 : x
  2. Step 2: Convert to fraction form
    738,637.58/1,020,160.16 = 496,499.63/x
  3. Step 3: Cross multiply
    738,637.58x = 1,020,160.16 × 496,499.63
  4. Step 4: Simplify right side
    738,637.58x = 506,509,139,498.24
  5. Step 5: Solve for x
    x = 506,509,139,498.24/738,637.58
  6. Step 6: Final answer
    x = 685,734.32

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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.