Home / 1,014,779.88-1,400,346.84-555,897.18

Finding the Fourth Proportional to 1,014,779.88, 1,400,346.84 and 555,897.18

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Solution

The fourth proportional to 1,014,779.88, 1,400,346.84 and 555,897.18 is: 767,111.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,779.88 : 1,400,346.84 = 555,897.18 : x
  2. Step 2: Convert to fraction form
    1,014,779.88/1,400,346.84 = 555,897.18/x
  3. Step 3: Cross multiply
    1,014,779.88x = 1,400,346.84 × 555,897.18
  4. Step 4: Simplify right side
    1,014,779.88x = 778,448,859,377.91
  5. Step 5: Solve for x
    x = 778,448,859,377.91/1,014,779.88
  6. Step 6: Final answer
    x = 767,111.05

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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.