Home / 1,057,854.90-1,460,462.76-644,547.54

Finding the Fourth Proportional to 1,057,854.90, 1,460,462.76 and 644,547.54

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Solution

The fourth proportional to 1,057,854.90, 1,460,462.76 and 644,547.54 is: 889,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,854.90 : 1,460,462.76 = 644,547.54 : x
  2. Step 2: Convert to fraction form
    1,057,854.90/1,460,462.76 = 644,547.54/x
  3. Step 3: Cross multiply
    1,057,854.90x = 1,460,462.76 × 644,547.54
  4. Step 4: Simplify right side
    1,057,854.90x = 941,337,679,219.61
  5. Step 5: Solve for x
    x = 941,337,679,219.61/1,057,854.90
  6. Step 6: Final answer
    x = 889,855.20

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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.