Home / 738,582.43-1,020,084.50-496,444.62

Finding the Fourth Proportional to 738,582.43, 1,020,084.50 and 496,444.62

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Solution

The fourth proportional to 738,582.43, 1,020,084.50 and 496,444.62 is: 685,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,582.43 : 1,020,084.50 = 496,444.62 : x
  2. Step 2: Convert to fraction form
    738,582.43/1,020,084.50 = 496,444.62/x
  3. Step 3: Cross multiply
    738,582.43x = 1,020,084.50 × 496,444.62
  4. Step 4: Simplify right side
    738,582.43x = 506,415,461,970.39
  5. Step 5: Solve for x
    x = 506,415,461,970.39/738,582.43
  6. Step 6: Final answer
    x = 685,658.70

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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.