Home / 970,692.10-1,339,559.32-535,100.12

Finding the Fourth Proportional to 970,692.10, 1,339,559.32 and 535,100.12

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Solution

The fourth proportional to 970,692.10, 1,339,559.32 and 535,100.12 is: 738,440.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,692.10 : 1,339,559.32 = 535,100.12 : x
  2. Step 2: Convert to fraction form
    970,692.10/1,339,559.32 = 535,100.12/x
  3. Step 3: Cross multiply
    970,692.10x = 1,339,559.32 × 535,100.12
  4. Step 4: Simplify right side
    970,692.10x = 716,798,358,405.25
  5. Step 5: Solve for x
    x = 716,798,358,405.25/970,692.10
  6. Step 6: Final answer
    x = 738,440.50

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Double scale
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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.