Home / 1,430,128.95-1,973,590.70-785,562.27

Finding the Fourth Proportional to 1,430,128.95, 1,973,590.70 and 785,562.27

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Solution

The fourth proportional to 1,430,128.95, 1,973,590.70 and 785,562.27 is: 1,084,082.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,128.95 : 1,973,590.70 = 785,562.27 : x
  2. Step 2: Convert to fraction form
    1,430,128.95/1,973,590.70 = 785,562.27/x
  3. Step 3: Cross multiply
    1,430,128.95x = 1,973,590.70 × 785,562.27
  4. Step 4: Simplify right side
    1,430,128.95x = 1,550,378,386,415.08
  5. Step 5: Solve for x
    x = 1,550,378,386,415.08/1,430,128.95
  6. Step 6: Final answer
    x = 1,084,082.93

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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.