Home / 1,007,394.16-1,390,302-752,302.48

Finding the Fourth Proportional to 1,007,394.16, 1,390,302 and 752,302.48

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Solution

The fourth proportional to 1,007,394.16, 1,390,302 and 752,302.48 is: 1,038,250.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,394.16 : 1,390,302 = 752,302.48 : x
  2. Step 2: Convert to fraction form
    1,007,394.16/1,390,302 = 752,302.48/x
  3. Step 3: Cross multiply
    1,007,394.16x = 1,390,302 × 752,302.48
  4. Step 4: Simplify right side
    1,007,394.16x = 1,045,927,642,548.96
  5. Step 5: Solve for x
    x = 1,045,927,642,548.96/1,007,394.16
  6. Step 6: Final answer
    x = 1,038,250.65

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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.