Home / 977,632.75-1,349,130-569,975.95

Finding the Fourth Proportional to 977,632.75, 1,349,130 and 569,975.95

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Solution

The fourth proportional to 977,632.75, 1,349,130 and 569,975.95 is: 786,564.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,632.75 : 1,349,130 = 569,975.95 : x
  2. Step 2: Convert to fraction form
    977,632.75/1,349,130 = 569,975.95/x
  3. Step 3: Cross multiply
    977,632.75x = 1,349,130 × 569,975.95
  4. Step 4: Simplify right side
    977,632.75x = 768,971,653,423.50
  5. Step 5: Solve for x
    x = 768,971,653,423.50/977,632.75
  6. Step 6: Final answer
    x = 786,564.95

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.