Home / 1,140,267.51-1,573,503.98-630,939.51

Finding the Fourth Proportional to 1,140,267.51, 1,573,503.98 and 630,939.51

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Solution

The fourth proportional to 1,140,267.51, 1,573,503.98 and 630,939.51 is: 870,660.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,267.51 : 1,573,503.98 = 630,939.51 : x
  2. Step 2: Convert to fraction form
    1,140,267.51/1,573,503.98 = 630,939.51/x
  3. Step 3: Cross multiply
    1,140,267.51x = 1,573,503.98 × 630,939.51
  4. Step 4: Simplify right side
    1,140,267.51x = 992,785,826,969.55
  5. Step 5: Solve for x
    x = 992,785,826,969.55/1,140,267.51
  6. Step 6: Final answer
    x = 870,660.45

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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.