Home / 927,075.60-1,390,613.40-328,712.40

Finding the Fourth Proportional to 927,075.60, 1,390,613.40 and 328,712.40

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Solution

The fourth proportional to 927,075.60, 1,390,613.40 and 328,712.40 is: 493,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,075.60 : 1,390,613.40 = 328,712.40 : x
  2. Step 2: Convert to fraction form
    927,075.60/1,390,613.40 = 328,712.40/x
  3. Step 3: Cross multiply
    927,075.60x = 1,390,613.40 × 328,712.40
  4. Step 4: Simplify right side
    927,075.60x = 457,111,868,186.16
  5. Step 5: Solve for x
    x = 457,111,868,186.16/927,075.60
  6. Step 6: Final answer
    x = 493,068.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.