Home / 740,021.40-1,110,032.10-553,397.40

Finding the Fourth Proportional to 740,021.40, 1,110,032.10 and 553,397.40

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Solution

The fourth proportional to 740,021.40, 1,110,032.10 and 553,397.40 is: 830,096.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,021.40 : 1,110,032.10 = 553,397.40 : x
  2. Step 2: Convert to fraction form
    740,021.40/1,110,032.10 = 553,397.40/x
  3. Step 3: Cross multiply
    740,021.40x = 1,110,032.10 × 553,397.40
  4. Step 4: Simplify right side
    740,021.40x = 614,288,878,056.54
  5. Step 5: Solve for x
    x = 614,288,878,056.54/740,021.40
  6. Step 6: Final answer
    x = 830,096.10

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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.