Home / 651,345.40-977,018.10-572,548.60

Finding the Fourth Proportional to 651,345.40, 977,018.10 and 572,548.60

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Solution

The fourth proportional to 651,345.40, 977,018.10 and 572,548.60 is: 858,822.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,345.40 : 977,018.10 = 572,548.60 : x
  2. Step 2: Convert to fraction form
    651,345.40/977,018.10 = 572,548.60/x
  3. Step 3: Cross multiply
    651,345.40x = 977,018.10 × 572,548.60
  4. Step 4: Simplify right side
    651,345.40x = 559,390,345,329.66
  5. Step 5: Solve for x
    x = 559,390,345,329.66/651,345.40
  6. Step 6: Final answer
    x = 858,822.90

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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.