Home / 1,129,303.04-1,558,440.80-620,038.08

Finding the Fourth Proportional to 1,129,303.04, 1,558,440.80 and 620,038.08

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Solution

The fourth proportional to 1,129,303.04, 1,558,440.80 and 620,038.08 is: 855,653.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,303.04 : 1,558,440.80 = 620,038.08 : x
  2. Step 2: Convert to fraction form
    1,129,303.04/1,558,440.80 = 620,038.08/x
  3. Step 3: Cross multiply
    1,129,303.04x = 1,558,440.80 × 620,038.08
  4. Step 4: Simplify right side
    1,129,303.04x = 966,292,641,425.66
  5. Step 5: Solve for x
    x = 966,292,641,425.66/1,129,303.04
  6. Step 6: Final answer
    x = 855,653.98

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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.