Home / 630,140.10-945,210.15-592,815.30

Finding the Fourth Proportional to 630,140.10, 945,210.15 and 592,815.30

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Solution

The fourth proportional to 630,140.10, 945,210.15 and 592,815.30 is: 889,222.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,140.10 : 945,210.15 = 592,815.30 : x
  2. Step 2: Convert to fraction form
    630,140.10/945,210.15 = 592,815.30/x
  3. Step 3: Cross multiply
    630,140.10x = 945,210.15 × 592,815.30
  4. Step 4: Simplify right side
    630,140.10x = 560,335,038,635.30
  5. Step 5: Solve for x
    x = 560,335,038,635.30/630,140.10
  6. Step 6: Final answer
    x = 889,222.95

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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.