Home / 898,039.61-1,347,518.68-424,597.85

Finding the Fourth Proportional to 898,039.61, 1,347,518.68 and 424,597.85

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Solution

The fourth proportional to 898,039.61, 1,347,518.68 and 424,597.85 is: 637,113.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,039.61 : 1,347,518.68 = 424,597.85 : x
  2. Step 2: Convert to fraction form
    898,039.61/1,347,518.68 = 424,597.85/x
  3. Step 3: Cross multiply
    898,039.61x = 1,347,518.68 × 424,597.85
  4. Step 4: Simplify right side
    898,039.61x = 572,153,534,005.31
  5. Step 5: Solve for x
    x = 572,153,534,005.31/898,039.61
  6. Step 6: Final answer
    x = 637,113.92

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.