Home / 648,034.40-972,051.60-569,302.40

Finding the Fourth Proportional to 648,034.40, 972,051.60 and 569,302.40

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Solution

The fourth proportional to 648,034.40, 972,051.60 and 569,302.40 is: 853,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,034.40 : 972,051.60 = 569,302.40 : x
  2. Step 2: Convert to fraction form
    648,034.40/972,051.60 = 569,302.40/x
  3. Step 3: Cross multiply
    648,034.40x = 972,051.60 × 569,302.40
  4. Step 4: Simplify right side
    648,034.40x = 553,391,308,803.84
  5. Step 5: Solve for x
    x = 553,391,308,803.84/648,034.40
  6. Step 6: Final answer
    x = 853,953.60

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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.