Home / 915,267.26-1,262,935.80-507,368.75

Finding the Fourth Proportional to 915,267.26, 1,262,935.80 and 507,368.75

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Solution

The fourth proportional to 915,267.26, 1,262,935.80 and 507,368.75 is: 700,095.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,267.26 : 1,262,935.80 = 507,368.75 : x
  2. Step 2: Convert to fraction form
    915,267.26/1,262,935.80 = 507,368.75/x
  3. Step 3: Cross multiply
    915,267.26x = 1,262,935.80 × 507,368.75
  4. Step 4: Simplify right side
    915,267.26x = 640,774,151,861.57
  5. Step 5: Solve for x
    x = 640,774,151,861.57/915,267.26
  6. Step 6: Final answer
    x = 700,095.13

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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.