Home / 572,030.35-858,045.53-545,786.35

Finding the Fourth Proportional to 572,030.35, 858,045.53 and 545,786.35

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Solution

The fourth proportional to 572,030.35, 858,045.53 and 545,786.35 is: 818,679.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,030.35 : 858,045.53 = 545,786.35 : x
  2. Step 2: Convert to fraction form
    572,030.35/858,045.53 = 545,786.35/x
  3. Step 3: Cross multiply
    572,030.35x = 858,045.53 × 545,786.35
  4. Step 4: Simplify right side
    572,030.35x = 468,309,535,223.58
  5. Step 5: Solve for x
    x = 468,309,535,223.58/572,030.35
  6. Step 6: Final answer
    x = 818,679.53

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Half scale
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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.